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Essentra Components
Hand-Retractable Spring Plungers - Round Knob
CAD files are available for the following formats
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FHR-3 Hand-Retractable Spring Plungers - Round Knob
 CAD  Buy Now  Part Number  Description  Special Features (All)  Finish  Handle Type  Brand  Body Material  Handle Material  Nose Diameter  Body Thread Size  Body Thread Length  Surface Finish  Final End Force  Initial End Force  Nose Projection  Nose Material  Knob Diameter  Hole Size  Handle and Body Length  Handle and Relief Height
No CAD available
FHR-3
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.185 in (4.7 mm)
3/8-16
.750 in (19.1 mm)
Zinc Plated
8.000 lbs (3.6 kg)
1.0 lbs (0.5 kg)
.219 in (5.6 mm)
Steel
 
 
 
 
No CAD available
FHR-33
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.185 in (4.7 mm)
3/8-16
.750 in (19.1 mm)
Zinc Plated
8.000 lbs (3.6 kg)
1.0 lbs (0.5 kg)
.219 in (5.6 mm)
Steel
 
 
 
 
No CAD available
FHR-4
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.248 in (6.3 mm)
1/2-13
.650 in (16.5 mm)
Zinc Plated
10.000 lbs (4.5 kg)
1.0 lbs (0.5 kg)
.250 in (6.4 mm)
Steel
 
 
 
 
No CAD available
FHR-44
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.248 in (6.3 mm)
1/2-13
.650 in (16.5 mm)
Zinc Plated
10.000 lbs (4.5 kg)
1.0 lbs (0.5 kg)
.250 in (6.4 mm)
Steel
 
 
 
 
No CAD available
FHR-1
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.123 in (3.1 mm)
1/4-20
.400 in (10.2 mm)
Zinc Plated
4.000 lbs (1.8 kg)
1.0 lbs (0.5 kg)
.125 in (3.2 mm)
Steel
 
 
 
 
No CAD available
FHR-11
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.123 in (3.1 mm)
1/4-20
.400 in (10.2 mm)
Zinc Plated
4.000 lbs (1.8 kg)
1.0 lbs (0.5 kg)
.125 in (3.2 mm)
Steel
 
 
 
 
No CAD available
FHR-2
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.154 in (3.9 mm)
5/16-18
.530 in (13.5 mm)
Zinc Plated
6.000 lbs (2.7 kg)
1.0 lbs (0.5 kg)
.188 in (4.8 mm)
Steel
 
 
 
 
 
NKP-1
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.144 in (3.7 mm)
1/4-20
.500 in (12.7 mm)
Zinc Plated
5.000 lbs (2.3 kg)
1.0 lbs (0.5 kg)
.125 in (3.2 mm)
Steel
 
 
 
 
 
NKP-10
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.373 in (9.5 mm)
5/8-11
1.00 in (25.4 mm)
 
10.000 lbs (4.5 kg)
5.00 lbs (2.3 kg)
.313 in (8 mm)
Delrin
 
 
 
 
 
NKP-10N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.373 in (9.5 mm)
5/8-11
1.00 in (25.4 mm)
 
10.000 lbs (4.5 kg)
5.00 lbs (2.3 kg)
.313 in (8 mm)
Delrin
 
 
 
 
 
NKP-11
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.144 in (3.7 mm)
1/4-20
.500 in (12.7 mm)
Zinc Plated
2.500 lbs (1.1 kg)
.50 lbs (0.2 kg)
.125 in (3.2 mm)
Steel
 
 
 
 
 
NKP-11N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.144 in (3.7 mm)
1/4-20
.500 in (12.7 mm)
Zinc Plated
2.500 lbs (1.1 kg)
.50 lbs (0.2 kg)
.125 in (3.2 mm)
Steel
 
 
 
 
 
NKP-12
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.179 in (4.5 mm)
5/16-18
.625 in (15.9 mm)
Zinc Plated
3.000 lbs (1.4 kg)
.75 lbs (0.3 kg)
.188 in (4.8 mm)
Steel
 
 
 
 
 
NKP-12N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.179 in (4.5 mm)
5/16-18
.625 in (15.9 mm)
Zinc Plated
3.000 lbs (1.4 kg)
.75 lbs (0.3 kg)
.188 in (4.8 mm)
Steel
 
 
 
 
 
NKP-13
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.216 in (5.5 mm)
3/8-16
.750 in (19.1 mm)
Zinc Plated
4.000 lbs (1.8 kg)
.75 lbs (0.3 kg)
.219 in (5.6 mm)
Steel
 
 
 
 
 
NKP-15N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.373 in (9.5 mm)
5/8-11
1.00 in (25.4 mm)
Zinc Plated
6.000 lbs (2.7 kg)
3.00 lbs (1.4 kg)
.313 in (8 mm)
Steel
 
 
 
 
 
NKP-16
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.144 in (3.7 mm)
1/4-20
.500 in (12.7 mm)
 
2.500 lbs (1.1 kg)
.50 lbs (0.2 kg)
.125 in (3.2 mm)
Delrin
 
 
 
 
 
NKP-16N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.144 in (3.7 mm)
1/4-20
.500 in (12.7 mm)
 
2.500 lbs (1.1 kg)
.50 lbs (0.2 kg)
.125 in (3.2 mm)
Delrin
 
 
 
 
 
NKP-17
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.179 in (4.5 mm)
5/16-18
.625 in (15.9 mm)
 
3.000 lbs (1.4 kg)
.75 lbs (0.3 kg)
.188 in (4.8 mm)
Delrin
 
 
 
 
 
NKP-19N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Stainless Steel
Stainless Steel
.310 in (7.9 mm)
1/2-13
.875 in (22.2 mm)
 
5.000 lbs (2.3 kg)
1.25 lbs (0.6 kg)
.250 in (6.4 mm)
Delrin
 
 
 
 
 
NKP-1N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.144 in (3.7 mm)
1/4-20
.500 in (12.7 mm)
Zinc Plated
5.000 lbs (2.3 kg)
1.0 lbs (0.5 kg)
.125 in (3.2 mm)
Steel
 
 
 
 
 
NKP-2
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
.179 in (4.5 mm)
5/16-18
.625 in (15.9 mm)
Zinc Plated
6.000 lbs (2.7 kg)
1.50 lbs (0.7 kg)
.188 in (4.8 mm)
Steel
 
 
 
 
 
NKP-20
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.373 in (9.5 mm)
5/8-11
1.00 in (25.4 mm)
 
6.000 lbs (2.7 kg)
3.00 lbs (1.4 kg)
.313 in (8 mm)
Delrin
 
 
 
 
 
NKP-4
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
.310 in (7.9 mm)
1/2-13
.875 in (22.2 mm)
Zinc Plated
10.000 lbs (4.5 kg)
2.50 lbs (1.1 kg)
.250 in (6.4 mm)
Steel
 
 
 
 
 
NKP-4N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.310 in (7.9 mm)
1/2-13
.875 in (22.2 mm)
Zinc Plated
10.000 lbs (4.5 kg)
2.50 lbs (1.1 kg)
.250 in (6.4 mm)
Steel
 
 
 
 
 
NKP-5
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.373 in (9.5 mm)
5/8-11
1.00 in (25.4 mm)
Zinc Plated
10.000 lbs (4.5 kg)
5.00 lbs (2.3 kg)
.313 in (8 mm)
Steel
 
 
 
 
 
NKP-5N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.373 in (9.5 mm)
5/8-11
1.00 in (25.4 mm)
Zinc Plated
10.000 lbs (4.5 kg)
5.00 lbs (2.3 kg)
.313 in (8 mm)
Steel
 
 
 
 
 
NKP-8
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.216 in (5.5 mm)
3/8-16
.750 in (19.1 mm)
 
8.000 lbs (3.6 kg)
1.50 lbs (0.7 kg)
.219 in (5.6 mm)
Delrin
 
 
 
 
 
NKP-8N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.216 in (5.5 mm)
3/8-16
.750 in (19.1 mm)
 
8.000 lbs (3.6 kg)
1.50 lbs (0.7 kg)
.219 in (5.6 mm)
Delrin
 
 
 
 
 
NKP-9
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.310 in (7.9 mm)
1/2-13
.875 in (22.2 mm)
 
10.000 lbs (4.5 kg)
2.50 lbs (1.1 kg)
.250 in (6.4 mm)
Delrin
 
 
 
 
 
NKP-9N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.310 in (7.9 mm)
1/2-13
.875 in (22.2 mm)
 
10.000 lbs (4.5 kg)
2.50 lbs (1.1 kg)
.250 in (6.4 mm)
Delrin
 
 
 
 
 
NKPM-11N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
3.7 mm (0.146 in)
M6 x 1.0
12.7 mm (0.5 in)
Zinc Plated
11.0 N (2.5 lbf)
2.0 N (0.4 lbf)
3.2 mm (0.126 in)
Steel
 
 
 
 
 
NKPM-12
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
4.5 mm (0.177 in)
M8 x 1.25
15.8 mm (0.622 in)
Zinc Plated
13.0 N (2.9 lbf)
3.0 N (0.7 lbf)
4.8 mm (0.189 in)
Steel
 
 
 
 
 
NKPM-12N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
4.5 mm (0.177 in)
M8 x 1.25
15.8 mm (0.622 in)
Zinc Plated
13.0 N (2.9 lbf)
3.0 N (0.7 lbf)
4.8 mm (0.189 in)
Steel
 
 
 
 
 
NKPM-13
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
5.5 mm (0.217 in)
M10 x 1.5
19.0 mm (0.748 in)
Zinc Plated
18.0 N (4 lbf)
3.0 N (0.7 lbf)
5.5 mm (0.217 in)
Steel
 
 
 
 
 
NKPM-15N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
9.5 mm (0.374 in)
M16 x 2.0
25.4 mm (1 in)
Zinc Plated
26.5 N (6 lbf)
13.0 N (2.9 lbf)
7.9 mm (0.311 in)
Steel
 
 
 
 
 
NKPM-16
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
3.7 mm (0.146 in)
M6 x 1.0
12.7 mm (0.5 in)
 
11.0 N (2.5 lbf)
2.0 N (0.4 lbf)
3.2 mm (0.126 in)
Delrin
 
 
 
 
 
NKPM-16N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
3.7 mm (0.146 in)
M6 x 1.0
12.7 mm (0.5 in)
 
11.0 N (2.5 lbf)
2.0 N (0.4 lbf)
3.2 mm (0.126 in)
Delrin
 
 
 
 
 
NKPM-17
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
4.5 mm (0.177 in)
M8 x 1.25
15.8 mm (0.622 in)
 
13.0 N (2.9 lbf)
3.0 N (0.7 lbf)
4.8 mm (0.189 in)
Delrin
 
 
 
 
 
NKPM-19N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Stainless Steel
Stainless Steel
7.9 mm (0.311 in)
M12 x 1.75
22.2 mm (0.874 in)
 
22.0 N (4.9 lbf)
5.5 N (1.2 lbf)
6.4 mm (0.252 in)
Delrin
 
 
 
 
 
NKPM-1N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
3.7 mm (0.146 in)
M6 x 1.0
12.7 mm (0.5 in)
Zinc Plated
22.0 N (4.9 lbf)
4.5 N (1 lbf)
3.2 mm (0.126 in)
Steel
 
 
 
 
 
NKPM-2
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
4.5 mm (0.177 in)
M8 x 1.25
15.8 mm (0.622 in)
Zinc Plated
26.5 N (6 lbf)
6.5 N (1.5 lbf)
4.8 mm (0.189 in)
Steel
 
 
 
 
 
NKPM-20
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Stainless Steel
Stainless Steel
9.5 mm (0.374 in)
M16 x 2.0
25.4 mm (1 in)
 
26.5 N (6 lbf)
13.0 N (2.9 lbf)
7.9 mm (0.311 in)
Delrin
 
 
 
 
 
NKP-13N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.216 in (5.5 mm)
3/8-16
.750 in (19.1 mm)
Zinc Plated
4.000 lbs (1.8 kg)
.75 lbs (0.3 kg)
.219 in (5.6 mm)
Steel
 
 
 
 
 
NKP-14
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.310 in (7.9 mm)
1/2-13
.875 in (22.2 mm)
Zinc Plated
5.000 lbs (2.3 kg)
1.25 lbs (0.6 kg)
.250 in (6.4 mm)
Steel
 
 
 
 
 
NKP-14N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
.310 in (7.9 mm)
1/2-13
.875 in (22.2 mm)
Zinc Plated
5.000 lbs (2.3 kg)
1.25 lbs (0.6 kg)
.250 in (6.4 mm)
Steel
 
 
 
 
 
NKP-15
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.373 in (9.5 mm)
5/8-11
1.00 in (25.4 mm)
Zinc Plated
6.000 lbs (2.7 kg)
3.00 lbs (1.4 kg)
.313 in (8 mm)
Steel
 
 
 
 
 
NKP-17N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.179 in (4.5 mm)
5/16-18
.625 in (15.9 mm)
 
3.000 lbs (1.4 kg)
.75 lbs (0.3 kg)
.188 in (4.8 mm)
Delrin
 
 
 
 
 
NKP-18
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.216 in (5.5 mm)
3/8-16
.750 in (19.1 mm)
 
4.000 lbs (1.8 kg)
.75 lbs (0.3 kg)
.219 in (5.6 mm)
Delrin
 
 
 
 
 
NKP-18N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.216 in (5.5 mm)
3/8-16
.750 in (19.1 mm)
 
4.000 lbs (1.8 kg)
.75 lbs (0.3 kg)
.219 in (5.6 mm)
Delrin
 
 
 
 
 
NKP-19
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.310 in (7.9 mm)
1/2-13
.875 in (22.2 mm)
 
5.000 lbs (2.3 kg)
1.25 lbs (0.6 kg)
.250 in (6.4 mm)
Delrin
 
 
 
 
 
NKP-20N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.373 in (9.5 mm)
5/8-11
1.00 in (25.4 mm)
 
6.000 lbs (2.7 kg)
3.00 lbs (1.4 kg)
.313 in (8 mm)
Delrin
 
 
 
 
 
NKP-2N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.179 in (4.5 mm)
5/16-18
.625 in (15.9 mm)
Zinc Plated
6.000 lbs (2.7 kg)
1.50 lbs (0.7 kg)
.188 in (4.8 mm)
Steel
 
 
 
 
 
NKP-3
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
.216 in (5.5 mm)
3/8-16
.750 in (19.1 mm)
Zinc Plated
8.000 lbs (3.6 kg)
1.50 lbs (0.7 kg)
.219 in (5.6 mm)
Steel
 
 
 
 
 
NKP-3N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.216 in (5.5 mm)
3/8-16
.750 in (19.1 mm)
Zinc Plated
8.000 lbs (3.6 kg)
1.50 lbs (0.7 kg)
.219 in (5.6 mm)
Steel
 
 
 
 
 
NKP-6
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.144 in (3.7 mm)
1/4-20
.500 in (12.7 mm)
 
5.000 lbs (2.3 kg)
1.0 lbs (0.5 kg)
.125 in (3.2 mm)
Delrin
 
 
 
 
 
NKP-6N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.144 in (3.7 mm)
1/4-20
.500 in (12.7 mm)
 
5.000 lbs (2.3 kg)
1.0 lbs (0.5 kg)
.125 in (3.2 mm)
Delrin
 
 
 
 
 
NKP-7
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.179 in (4.5 mm)
5/16-18
.625 in (15.9 mm)
 
6.000 lbs (2.7 kg)
1.50 lbs (0.7 kg)
.188 in (4.8 mm)
Delrin
 
 
 
 
 
NKP-7N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.179 in (4.5 mm)
5/16-18
.625 in (15.9 mm)
 
6.000 lbs (2.7 kg)
1.50 lbs (0.7 kg)
.188 in (4.8 mm)
Delrin
 
 
 
 
 
NKPM-1
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
3.7 mm (0.146 in)
M6 x 1.0
12.7 mm (0.5 in)
Zinc Plated
22.0 N (4.9 lbf)
4.5 N (1 lbf)
3.2 mm (0.126 in)
Steel
 
 
 
 
 
NKPM-10
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Stainless Steel
Stainless Steel
9.5 mm (0.374 in)
M16 x 2.0
25.4 mm (1 in)
 
44.5 N (10 lbf)
22.0 N (4.9 lbf)
7.9 mm (0.311 in)
Delrin
 
 
 
 
 
NKPM-10N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Stainless Steel
Stainless Steel
9.5 mm (0.374 in)
M16 x 2.0
25.4 mm (1 in)
 
44.5 N (10 lbf)
22.0 N (4.9 lbf)
7.9 mm (0.311 in)
Delrin
 
 
 
 
 
NKPM-11
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
3.7 mm (0.146 in)
M6 x 1.0
12.7 mm (0.5 in)
Zinc Plated
11.0 N (2.5 lbf)
2.0 N (0.4 lbf)
3.2 mm (0.126 in)
Steel
 
 
 
 
 
NKPM-13N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
5.5 mm (0.217 in)
M10 x 1.5
19.0 mm (0.748 in)
Zinc Plated
18.0 N (4 lbf)
3.0 N (0.7 lbf)
5.5 mm (0.217 in)
Steel
 
 
 
 
 
NKPM-14
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
7.9 mm (0.311 in)
M12 x 1.75
22.2 mm (0.874 in)
Zinc Plated
22.0 N (4.9 lbf)
5.5 N (1.2 lbf)
6.4 mm (0.252 in)
Steel
 
 
 
 
 
NKPM-14N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
7.9 mm (0.311 in)
M12 x 1.75
22.2 mm (0.874 in)
Zinc Plated
22.0 N (4.9 lbf)
5.5 N (1.2 lbf)
6.4 mm (0.252 in)
Steel
 
 
 
 
 
NKPM-15
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
9.5 mm (0.374 in)
M16 x 2.0
25.4 mm (1 in)
Zinc Plated
26.5 N (6 lbf)
13.0 N (2.9 lbf)
7.9 mm (0.311 in)
Steel
 
 
 
 
 
NKPM-17N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
4.5 mm (0.177 in)
M8 x 1.25
15.8 mm (0.622 in)
 
13.0 N (2.9 lbf)
3.0 N (0.7 lbf)
4.8 mm (0.189 in)
Delrin
 
 
 
 
 
NKPM-18
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Stainless Steel
Stainless Steel
5.5 mm (0.217 in)
M10 x 1.5
19.0 mm (0.748 in)
 
18.0 N (4 lbf)
3.0 N (0.7 lbf)
5.5 mm (0.217 in)
Delrin
 
 
 
 
 
NKPM-18N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
5.5 mm (0.217 in)
M10 x 1.5
19.0 mm (0.748 in)
 
18.0 N (4 lbf)
3.0 N (0.7 lbf)
5.5 mm (0.217 in)
Delrin
 
 
 
 
 
NKPM-19
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Stainless Steel
Stainless Steel
7.9 mm (0.311 in)
M12 x 1.75
22.2 mm (0.874 in)
 
22.0 N (4.9 lbf)
5.5 N (1.2 lbf)
6.4 mm (0.252 in)
Delrin
 
 
 
 
 
NKPM-20N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Stainless Steel
Stainless Steel
9.5 mm (0.374 in)
M16 x 2.0
25.4 mm (1 in)
 
26.5 N (6 lbf)
13.0 N (2.9 lbf)
7.9 mm (0.311 in)
Delrin
 
 
 
 
 
NKPM-2N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
4.5 mm (0.177 in)
M8 x 1.25
15.8 mm (0.622 in)
Zinc Plated
26.5 N (6 lbf)
6.5 N (1.5 lbf)
4.8 mm (0.189 in)
Steel
 
 
 
 
 
NKPM-3
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
5.5 mm (0.217 in)
M10 x 1.5
19.0 mm (0.748 in)
Zinc Plated
35.5 N (8 lbf)
6.5 N (1.5 lbf)
5.5 mm (0.217 in)
Steel
 
 
 
 
 
NKPM-3N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
5.5 mm (0.217 in)
M10 x 1.5
19.0 mm (0.748 in)
Zinc Plated
35.5 N (8 lbf)
6.5 N (1.5 lbf)
5.5 mm (0.217 in)
Steel
 
 
 
 
 
NKPM-4
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
7.9 mm (0.311 in)
M12 x 1.75
22.2 mm (0.874 in)
Zinc Plated
44.5 N (10 lbf)
11.0 N (2.5 lbf)
6.4 mm (0.252 in)
Steel
 
 
 
 
 
NKPM-4N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
7.9 mm (0.311 in)
M12 x 1.75
22.2 mm (0.874 in)
Zinc Plated
44.5 N (10 lbf)
11.0 N (2.5 lbf)
6.4 mm (0.252 in)
Steel
 
 
 
 
 
NKPM-5
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Steel
Steel
9.5 mm (0.374 in)
M16 x 2.0
25.4 mm (1 in)
Zinc Plated
44.5 N (10 lbf)
22.0 N (4.9 lbf)
7.9 mm (0.311 in)
Steel
 
 
 
 
 
NKPM-5N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
9.5 mm (0.374 in)
M16 x 2.0
25.4 mm (1 in)
Zinc Plated
44.5 N (10 lbf)
22.0 N (4.9 lbf)
7.9 mm (0.311 in)
Steel
 
 
 
 
 
NKPM-8
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Stainless Steel
Stainless Steel
5.5 mm (0.217 in)
M10 x 1.5
19.0 mm (0.748 in)
 
35.5 N (8 lbf)
6.5 N (1.5 lbf)
5.5 mm (0.217 in)
Delrin
 
 
 
 
 
NKPM-8N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Stainless Steel
Stainless Steel
5.5 mm (0.217 in)
M10 x 1.5
19.0 mm (0.748 in)
 
35.5 N (8 lbf)
6.5 N (1.5 lbf)
5.5 mm (0.217 in)
Delrin
 
 
 
 
 
NKPM-9
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Stainless Steel
Stainless Steel
7.9 mm (0.311 in)
M12 x 1.75
22.2 mm (0.874 in)
 
44.5 N (10 lbf)
11.0 N (2.5 lbf)
6.4 mm (0.252 in)
Delrin
 
 
 
 
 
NKPM-9N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Stainless Steel
Stainless Steel
7.9 mm (0.311 in)
M12 x 1.75
22.2 mm (0.874 in)
 
44.5 N (10 lbf)
11.0 N (2.5 lbf)
6.4 mm (0.252 in)
Delrin
 
 
 
 
 
PHR-1
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.124 in (3.1 mm)
1/4-20
.500 in (12.7 mm)
Zinc Plated
4.000 lbs (1.8 kg)
1.0 lbs (0.5 kg)
.125 in (3.2 mm)
Steel
 
 
 
 
 
PHR-100
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
5.0 mm (0.197 in)
M10 x 1.5
19.0 mm (0.748 in)
Zinc Plated
35.6 N (8 lbf)
4.5 N (1 lbf)
6.0 mm (0.236 in)
Steel
 
 
 
 
 
PHR-100N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
5.0 mm (0.197 in)
M10 x 1.5
19.0 mm (0.748 in)
Zinc Plated
35.6 N (8 lbf)
4.5 N (1 lbf)
6.0 mm (0.236 in)
Steel
 
 
 
 
 
PHR-11
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.124 in (3.1 mm)
1/4-20
.500 in (12.7 mm)
Zinc Plated
4.000 lbs (1.8 kg)
1.0 lbs (0.5 kg)
.125 in (3.2 mm)
Steel
 
 
 
 
 
PHR-2
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.155 in (3.9 mm)
5/16-18
.625 in (15.9 mm)
Zinc Plated
6.000 lbs (2.7 kg)
1.0 lbs (0.5 kg)
.188 in (4.8 mm)
Steel
 
 
 
 
 
PHR-22
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.155 in (3.9 mm)
5/16-18
.625 in (15.9 mm)
Zinc Plated
6.000 lbs (2.7 kg)
1.0 lbs (0.5 kg)
.188 in (4.8 mm)
Steel
 
 
 
 
 
PHR-22SS
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.155 in (3.9 mm)
5/16-18
.625 in (15.9 mm)
 
6.000 lbs (2.7 kg)
1.0 lbs (0.5 kg)
.188 in (4.8 mm)
Stainless Steel
 
 
 
 
 
PHR-250
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.124 in (3.1 mm)
1/4-20
.400 in (10.2 mm)
Zinc Plated
2.000 lbs (0.9 kg)
.50 lbs (0.2 kg)
.125 in (3.2 mm)
Steel
 
 
 
 
 
PHR-33SS
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.186 in (4.7 mm)
3/8-16
.750 in (19.1 mm)
 
8.000 lbs (3.6 kg)
1.0 lbs (0.5 kg)
.219 in (5.6 mm)
Stainless Steel
 
 
 
 
 
PHR-375
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.186 in (4.7 mm)
3/8-16
.750 in (19.1 mm)
Zinc Plated
3.000 lbs (1.4 kg)
.50 lbs (0.2 kg)
.220 in (5.6 mm)
Steel
 
 
 
 
 
PHR-375N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.186 in (4.7 mm)
3/8-16
.750 in (19.1 mm)
Zinc Plated
3.000 lbs (1.4 kg)
.50 lbs (0.2 kg)
.220 in (5.6 mm)
Steel
 
 
 
 
 
PHR-3SS
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.186 in (4.7 mm)
3/8-16
.750 in (19.1 mm)
 
8.000 lbs (3.6 kg)
1.0 lbs (0.5 kg)
.219 in (5.6 mm)
Stainless Steel
 
 
 
 
 
PHR-50
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
2.5 mm (0.098 in)
M5 x .8
10.0 mm (0.394 in)
Zinc Plated
13.3 N (3 lbf)
2.2 N (0.5 lbf)
2.0 mm (0.079 in)
Steel
 
 
 
 
 
PHR-500
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.249 in (6.3 mm)
1/2-13
.650 in (16.5 mm)
Zinc Plated
4.000 lbs (1.8 kg)
.50 lbs (0.2 kg)
.250 in (6.4 mm)
Steel
 
 
 
 
 
PHR-500N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.249 in (6.3 mm)
1/2-13
.650 in (16.5 mm)
Zinc Plated
4.000 lbs (1.8 kg)
.50 lbs (0.2 kg)
.250 in (6.4 mm)
Steel
 
 
 
 
 
PHR-50N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
2.5 mm (0.098 in)
M5 x .8
10.0 mm (0.394 in)
Zinc Plated
13.3 N (3 lbf)
2.2 N (0.5 lbf)
2.0 mm (0.079 in)
Steel
 
 
 
 
 
 
PHR-74
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.124 in (3.1 mm)
1/4-20
.500 in (12.7 mm)
Zinc Plated
5.000 lbs (2.3 kg)
1.0 lbs (0.5 kg)
.125 in (3.2 mm)
Phenolic
 
 
 
 
 
 
PHR-75
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.155 in (3.9 mm)
5/16-18
.625 in (15.9 mm)
Zinc Plated
6.000 lbs (2.7 kg)
1.50 lbs (0.7 kg)
.188 in (4.8 mm)
Phenolic
 
 
 
 
 
 
PHR-76
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.186 in (4.7 mm)
3/8-16
.750 in (19.1 mm)
Zinc Plated
8.000 lbs (3.6 kg)
1.50 lbs (0.7 kg)
.219 in (5.6 mm)
Phenolic
 
 
 
 
 
 
PHR-77
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.249 in (6.3 mm)
1/2-13
.875 in (22.2 mm)
Zinc Plated
10.000 lbs (4.5 kg)
2.50 lbs (1.1 kg)
.250 in (6.4 mm)
Phenolic
 
 
 
 
 
 
PHR-79
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.155 in (3.9 mm)
5/16-18
.625 in (15.9 mm)
Zinc Plated
3.000 lbs (1.4 kg)
.75 lbs (0.3 kg)
.188 in (4.8 mm)
Phenolic
 
 
 
 
 
PRT-1
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
.156 in (4 mm)
1/4-20
.500 in (12.7 mm)
 
.360 lbs (0.2 kg)
.120 lbs (0.1 kg)
.130 in (3.3 mm)
Steel
 
 
 
 
 
PRT-11
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
.156 in (4 mm)
1/4-20
.500 in (12.7 mm)
 
.360 lbs (0.2 kg)
.120 lbs (0.1 kg)
.130 in (3.3 mm)
Steel
 
 
 
 
 
PRT-11N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
.156 in (4 mm)
1/4-20
.500 in (12.7 mm)
 
.360 lbs (0.2 kg)
.120 lbs (0.1 kg)
.130 in (3.3 mm)
Steel
 
 
 
 
 
PRT-12
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
.312 in (7.9 mm)
1/2-13
1.000 in (25.4 mm)
 
1.750 lbs (0.8 kg)
.50 lbs (0.2 kg)
.250 in (6.4 mm)
Steel
 
 
 
 
 
NKPM-6
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Stainless Steel
Stainless Steel
3.7 mm (0.146 in)
M6 x 1.0
12.7 mm (0.5 in)
 
22.0 N (4.9 lbf)
4.5 N (1 lbf)
3.2 mm (0.126 in)
Delrin
 
 
 
 
 
NKPM-6N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
3.7 mm (0.146 in)
M6 x 1.0
12.7 mm (0.5 in)
 
22.0 N (4.9 lbf)
4.5 N (1 lbf)
3.2 mm (0.126 in)
Delrin
 
 
 
 
 
NKPM-7
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
4.5 mm (0.177 in)
M8 x 1.25
15.8 mm (0.622 in)
 
26.5 N (6 lbf)
6.5 N (1.5 lbf)
4.8 mm (0.189 in)
Delrin
 
 
 
 
 
NKPM-7N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Stainless Steel
Stainless Steel
4.5 mm (0.177 in)
M8 x 1.25
15.8 mm (0.622 in)
 
26.5 N (6 lbf)
6.5 N (1.5 lbf)
4.8 mm (0.189 in)
Delrin
 
 
 
 
 
PHR-0
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.104 in (2.6 mm)
10-32
.400 in (10.2 mm)
Zinc Plated
3.000 lbs (1.4 kg)
.50 lbs (0.2 kg)
.094 in (2.4 mm)
Steel
 
 
 
 
 
PHR-00
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.104 in (2.6 mm)
10-32
.400 in (10.2 mm)
Zinc Plated
3.000 lbs (1.4 kg)
.50 lbs (0.2 kg)
.094 in (2.4 mm)
Steel
 
 
 
 
 
PHR-00SS
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.104 in (2.6 mm)
10-32
.400 in (10.2 mm)
 
3.000 lbs (1.4 kg)
.50 lbs (0.2 kg)
.094 in (2.4 mm)
Stainless Steel
 
 
 
 
 
PHR-0SS
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.104 in (2.6 mm)
10-32
.400 in (10.2 mm)
 
3.000 lbs (1.4 kg)
.50 lbs (0.2 kg)
.094 in (2.4 mm)
Stainless Steel
 
 
 
 
 
PHR-11SS
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.124 in (3.1 mm)
1/4-20
.500 in (12.7 mm)
 
4.000 lbs (1.8 kg)
1.0 lbs (0.5 kg)
.125 in (3.2 mm)
Stainless Steel
 
 
 
 
 
PHR-120
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
6.0 mm (0.236 in)
M12 x 1.75
23.0 mm (0.906 in)
Zinc Plated
44.5 N (10 lbf)
4.5 N (1 lbf)
6.0 mm (0.236 in)
Steel
 
 
 
 
 
PHR-120N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
6.0 mm (0.236 in)
M12 x 1.75
23.0 mm (0.906 in)
Zinc Plated
44.5 N (10 lbf)
11.0 N (2.5 lbf)
6.0 mm (0.236 in)
Steel
 
 
 
 
 
PHR-1SS
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.124 in (3.1 mm)
1/4-20
.500 in (12.7 mm)
 
4.000 lbs (1.8 kg)
1.0 lbs (0.5 kg)
.125 in (3.2 mm)
Stainless Steel
 
 
 
 
 
PHR-250N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.124 in (3.1 mm)
1/4-20
.400 in (10.2 mm)
Zinc Plated
2.000 lbs (0.9 kg)
.50 lbs (0.2 kg)
.125 in (3.2 mm)
Steel
 
 
 
 
 
PHR-2SS
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.155 in (3.9 mm)
5/16-18
.625 in (15.9 mm)
 
6.000 lbs (2.7 kg)
1.0 lbs (0.5 kg)
.188 in (4.8 mm)
Stainless Steel
 
 
 
 
 
PHR-3
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.186 in (4.7 mm)
3/8-16
.750 in (19.1 mm)
Zinc Plated
8.000 lbs (3.6 kg)
1.0 lbs (0.5 kg)
.219 in (5.6 mm)
Steel
 
 
 
 
 
PHR-33
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.186 in (4.7 mm)
3/8-16
.750 in (19.1 mm)
Zinc Plated
8.000 lbs (3.6 kg)
1.0 lbs (0.5 kg)
.219 in (5.6 mm)
Steel
 
 
 
 
 
PHR-4
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.249 in (6.3 mm)
1/2-13
.875 in (22.2 mm)
Zinc Plated
10.000 lbs (4.5 kg)
1.0 lbs (0.5 kg)
.250 in (6.4 mm)
Steel
 
 
 
 
 
PHR-44
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
.249 in (6.3 mm)
1/2-13
.875 in (22.2 mm)
Zinc Plated
10.000 lbs (4.5 kg)
1.0 lbs (0.5 kg)
.250 in (6.4 mm)
Steel
 
 
 
 
 
PHR-44SS
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.249 in (6.3 mm)
1/2-13
.875 in (22.2 mm)
 
10.000 lbs (4.5 kg)
1.0 lbs (0.5 kg)
.250 in (6.4 mm)
Stainless Steel
 
 
 
 
 
PHR-4SS
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.249 in (6.3 mm)
1/2-13
.875 in (22.2 mm)
 
10.000 lbs (4.5 kg)
1.0 lbs (0.5 kg)
.250 in (6.4 mm)
Stainless Steel
 
 
 
 
 
PHR-60
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
3.0 mm (0.118 in)
M6 x 1.0
13.0 mm (0.512 in)
Zinc Plated
17.8 N (4 lbf)
4.5 N (1 lbf)
3.0 mm (0.118 in)
Steel
 
 
 
 
 
PHR-60N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Steel
3.0 mm (0.118 in)
M6 x 1.0
13.0 mm (0.512 in)
Zinc Plated
17.8 N (4 lbf)
4.5 N (1 lbf)
3.0 mm (0.118 in)
Steel
 
 
 
 
 
 
PHR-71
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.155 in (3.9 mm)
5/16-18
.625 in (15.9 mm)
Zinc Plated
6.000 lbs (2.7 kg)
1.50 lbs (0.7 kg)
.188 in (4.8 mm)
Phenolic
 
 
 
 
 
 
PHR-72
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.186 in (4.7 mm)
3/8-16
.750 in (19.1 mm)
Zinc Plated
8.000 lbs (3.6 kg)
1.50 lbs (0.7 kg)
.219 in (5.6 mm)
Phenolic
 
 
 
 
 
 
PHR-73
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.249 in (6.3 mm)
1/2-13
.875 in (22.2 mm)
Zinc Plated
10.000 lbs (4.5 kg)
2.50 lbs (1.1 kg)
.250 in (6.4 mm)
Phenolic
 
 
 
 
 
 
PHR-80
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.186 in (4.7 mm)
3/8-16
.750 in (19.1 mm)
Zinc Plated
4.000 lbs (1.8 kg)
.75 lbs (0.3 kg)
.219 in (5.6 mm)
Phenolic
 
 
 
 
 
 
PHR-81
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Steel
Steel
.249 in (6.3 mm)
1/2-13
.875 in (22.2 mm)
Zinc Plated
5.000 lbs (2.3 kg)
1.25 lbs (0.6 kg)
.250 in (6.4 mm)
Phenolic
 
 
 
 
 
 
PHR-83
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
 
Stainless Steel
Stainless Steel
.155 in (3.9 mm)
5/16-18
.625 in (15.9 mm)
Zinc Plated
3.000 lbs (1.4 kg)
.75 lbs (0.3 kg)
.188 in (4.8 mm)
Phenolic
 
 
 
 
 
 
PHR-84
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.186 in (4.7 mm)
3/8-16
.750 in (19.1 mm)
Zinc Plated
4.000 lbs (1.8 kg)
.75 lbs (0.3 kg)
.219 in (5.6 mm)
Phenolic
 
 
 
 
 
 
PHR-85
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Northwestern Tools
Stainless Steel
Stainless Steel
.249 in (6.3 mm)
1/2-13
.875 in (22.2 mm)
Zinc Plated
5.000 lbs (2.3 kg)
1.25 lbs (0.6 kg)
.250 in (6.4 mm)
Phenolic
 
 
 
 
 
PRT-12N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
.312 in (7.9 mm)
1/2-13
1.000 in (25.4 mm)
 
1.750 lbs (0.8 kg)
.50 lbs (0.2 kg)
.250 in (6.4 mm)
Steel
 
 
 
 
 
PRT-13
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
.248 in (6.3 mm)
3/8-16
.750 in (19.1 mm)
 
2.000 lbs (0.9 kg)
.250 lbs (0.1 kg)
.187 in (4.7 mm)
Steel
 
 
 
 
 
PRT-13N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
.248 in (6.3 mm)
3/8-16
.750 in (19.1 mm)
 
2.000 lbs (0.9 kg)
.250 lbs (0.1 kg)
.187 in (4.7 mm)
Steel
 
 
 
 
 
PRT-14
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
3.0 mm (0.118 in)
M6 x 1.0
13.0 mm (0.512 in)
 
1.5 N (0.3 lbf)
.5 N (0.1 lbf)
3.0 mm (0.118 in)
Steel
 
 
 
 
 
PRT-14N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
3.0 mm (0.118 in)
M6 x 1.0
13.0 mm (0.512 in)
 
1.5 N (0.3 lbf)
.5 N (0.1 lbf)
3.0 mm (0.118 in)
Steel
 
 
 
 
 
PRT-15
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
6.0 mm (0.236 in)
M10 x 1.5
20.0 mm (0.787 in)
 
9.0 N (2 lbf)
1.0 N (0.2 lbf)
5.0 mm (0.197 in)
Steel
 
 
 
 
 
PRT-15N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
6.0 mm (0.236 in)
M10 x 1.5
20.0 mm (0.787 in)
 
9.0 N (2 lbf)
1.0 N (0.2 lbf)
5.0 mm (0.197 in)
Steel
 
 
 
 
 
PRT-16
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
8.0 mm (0.315 in)
M12 x 1.75
25.0 mm (0.984 in)
 
8.0 N (1.8 lbf)
2.5 N (0.6 lbf)
6.0 mm (0.236 in)
Steel
 
 
 
 
 
PRT-21
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
.248 in (6.3 mm)
3/8-16
.750 in (19.1 mm)
 
2.000 lbs (0.9 kg)
.250 lbs (0.1 kg)
.187 in (4.7 mm)
Stainless Steel
 
 
 
 
 
PRT-21N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
.248 in (6.3 mm)
3/8-16
.750 in (19.1 mm)
 
2.000 lbs (0.9 kg)
.250 lbs (0.1 kg)
.187 in (4.7 mm)
Stainless Steel
 
 
 
 
 
PRT-22
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
.312 in (7.9 mm)
1/2-13
1.000 in (25.4 mm)
 
1.750 lbs (0.8 kg)
.50 lbs (0.2 kg)
.250 in (6.4 mm)
Stainless Steel
 
 
 
 
 
PRT-22N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
.312 in (7.9 mm)
1/2-13
1.000 in (25.4 mm)
 
1.750 lbs (0.8 kg)
.50 lbs (0.2 kg)
.250 in (6.4 mm)
Stainless Steel
 
 
 
 
 
PRT-26
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
.156 in (4 mm)
1/4-20
.500 in (12.7 mm)
 
.360 lbs (0.2 kg)
.120 lbs (0.1 kg)
.130 in (3.3 mm)
Stainless Steel
 
 
 
 
 
PRT-26N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
.156 in (4 mm)
1/4-20
.500 in (12.7 mm)
 
.360 lbs (0.2 kg)
.120 lbs (0.1 kg)
.130 in (3.3 mm)
Stainless Steel
 
 
 
 
 
PRT-27
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
.248 in (6.3 mm)
3/8-16
.750 in (19.1 mm)
 
2.000 lbs (0.9 kg)
.250 lbs (0.1 kg)
.187 in (4.7 mm)
Stainless Steel
 
 
 
 
 
PRT-27N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
.248 in (6.3 mm)
3/8-16
.750 in (19.1 mm)
 
2.000 lbs (0.9 kg)
.250 lbs (0.1 kg)
.187 in (4.7 mm)
Stainless Steel
 
 
 
 
 
PRT-3
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
.248 in (6.3 mm)
3/8-16
.750 in (19.1 mm)
 
2.000 lbs (0.9 kg)
.250 lbs (0.1 kg)
.187 in (4.7 mm)
Steel
 
 
 
 
 
PRT-30
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
6.0 mm (0.236 in)
M10 x 1.5
20.0 mm (0.787 in)
 
9.0 N (2 lbf)
1.0 N (0.2 lbf)
5.0 mm (0.197 in)
Stainless Steel
 
 
 
 
 
PRT-30N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
6.0 mm (0.236 in)
M10 x 1.5
20.0 mm (0.787 in)
 
9.0 N (2 lbf)
1.0 N (0.2 lbf)
5.0 mm (0.197 in)
Stainless Steel
 
 
 
 
 
PRT-31
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
8.0 mm (0.315 in)
M12 x 1.75
25.0 mm (0.984 in)
 
8.0 N (1.8 lbf)
2.5 N (0.6 lbf)
6.0 mm (0.236 in)
Stainless Steel
 
 
 
 
 
PRT-6
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
8.0 mm (0.315 in)
M12 x 1.75
25.0 mm (0.984 in)
 
8.0 N (1.8 lbf)
2.5 N (0.6 lbf)
6.0 mm (0.236 in)
Steel
 
 
 
 
 
SPHR-100
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
5.0 mm (0.197 in)
M10 x 1.5
19.0 mm (0.748 in)
 
35.6 N (8 lbf)
4.5 N (1 lbf)
6.0 mm (0.236 in)
Stainless Steel
 
 
 
 
 
SPHR-100N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
5.0 mm (0.197 in)
M10 x 1.5
19.0 mm (0.748 in)
 
35.6 N (8 lbf)
4.5 N (1 lbf)
6.0 mm (0.236 in)
Stainless Steel
 
 
 
 
 
SPHR-120
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
6.0 mm (0.236 in)
M12 x 1.75
23.0 mm (0.906 in)
 
44.5 N (10 lbf)
4.5 N (1 lbf)
6.0 mm (0.236 in)
Stainless Steel
 
 
 
 
 
SPHR-50
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
2.5 mm (0.098 in)
M5 x .8
10.0 mm (0.394 in)
 
13.340 lbs (6.1 kg)
2.220 lbs (1 kg)
2.0 mm (0.079 in)
Stainless Steel
 
 
 
 
 
SPHR-500
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.249 in (6.3 mm)
1/2-13
.650 in (16.5 mm)
 
4.000 lbs (1.8 kg)
.50 lbs (0.2 kg)
.250 in (6.4 mm)
Stainless Steel
 
 
 
 
 
SPHR-500N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.249 in (6.3 mm)
1/2-13
.650 in (16.5 mm)
 
4.000 lbs (1.8 kg)
.50 lbs (0.2 kg)
.250 in (6.4 mm)
Stainless Steel
 
 
 
 
 
SPHR-60
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
3.0 mm (0.118 in)
M6 x 1.0
13.0 mm (0.512 in)
 
17.800 lbs (8.1 kg)
4.45 lbs (2 kg)
3.0 mm (0.118 in)
Stainless Steel
 
 
 
 
No CAD available
SPHR-640N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
.154 in (3.9 mm)
5/16-18
.53 in (13.5 mm)
 
6.000 lbs (2.7 kg)
1.0 lbs (0.5 kg)
.19 in (4.8 mm)
Stainless Steel
.875 in (22.2 mm)
.125 in (3.2 mm)
1.07 in (27.2 mm)
 
No CAD available
SPHR-645
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
.185 in (4.7 mm)
3/8-16
.75 in (19.1 mm)
 
8.000 lbs (3.6 kg)
1.0 lbs (0.5 kg)
.22 in (5.6 mm)
Stainless Steel
1.00 in (25.4 mm)
.218 in (5.5 mm)
1.26 in (32 mm)
 
No CAD available
SPHR-645N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
.185 in (4.7 mm)
3/8-16
.75 in (19.1 mm)
 
8.000 lbs (3.6 kg)
1.0 lbs (0.5 kg)
.22 in (5.6 mm)
Stainless Steel
1.00 in (25.4 mm)
.218 in (5.5 mm)
1.26 in (32 mm)
 
No CAD available
SPHR-650
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
.248 in (6.3 mm)
1/2-13
.65 in (16.5 mm)
 
10.000 lbs (4.5 kg)
1.0 lbs (0.5 kg)
.25 in (6.4 mm)
Stainless Steel
1.25 in (31.8 mm)
.250 in (6.4 mm)
1.38 in (35.1 mm)
 
No CAD available
SPHR-615N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
3.0 mm (0.118 in)
M6 x 1.00
10.0 mm (0.394 in)
 
18.0 N (4 lbf)
4.5 N (1 lbf)
3.2 mm (0.126 in)
Stainless Steel
19.0 mm (0.748 in)
3.0 mm (0.118 in)
20 mm (0.787 in)
 
No CAD available
FHR-55
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Steel
Steel
4.0 mm (0.157 in)
M8 x 1.25
13.5 mm (0.531 in)
 
27.0 N (6.1 lbf)
4.5 N (1 lbf)
4.8 mm (0.189 in)
Steel
22.0 mm (0.866 in)
3.0 mm (0.118 in)
27 mm (1.063 in)
 
No CAD available
FHR-55N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Steel
Steel
4.0 mm (0.157 in)
M8 x 1.25
13.5 mm (0.531 in)
 
27.0 N (6.1 lbf)
4.5 N (1 lbf)
4.8 mm (0.189 in)
Steel
22.0 mm (0.866 in)
3.0 mm (0.118 in)
27 mm (1.063 in)
 
No CAD available
SPHR-620
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
4.0 mm (0.157 in)
M8 x 1.25
13.5 mm (0.531 in)
 
27.0 N (6.1 lbf)
4.5 N (1 lbf)
4.8 mm (0.189 in)
Stainless Steel
22.0 mm (0.866 in)
3.0 mm (0.118 in)
27 mm (1.063 in)
 
 
PRT-1N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
.156 in (4 mm)
1/4-20
.500 in (12.7 mm)
 
.360 lbs (0.2 kg)
.120 lbs (0.1 kg)
.130 in (3.3 mm)
Steel
 
 
 
 
 
PRT-2
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
.312 in (7.9 mm)
1/2-13
1.000 in (25.4 mm)
 
1.750 lbs (0.8 kg)
.50 lbs (0.2 kg)
.250 in (6.4 mm)
Steel
 
 
 
 
 
PRT-20
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
.156 in (4 mm)
1/4-20
.500 in (12.7 mm)
 
.360 lbs (0.2 kg)
.120 lbs (0.1 kg)
.130 in (3.3 mm)
Stainless Steel
 
 
 
 
 
PRT-20N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
.156 in (4 mm)
1/4-20
.500 in (12.7 mm)
 
.360 lbs (0.2 kg)
.120 lbs (0.1 kg)
.130 in (3.3 mm)
Stainless Steel
 
 
 
 
 
PRT-23
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
3.0 mm (0.118 in)
M6 x 1.0
13.0 mm (0.512 in)
 
1.5 N (0.3 lbf)
.5 N (0.1 lbf)
3.0 mm (0.118 in)
Stainless Steel
 
 
 
 
 
PRT-24
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
6.0 mm (0.236 in)
M10 x 1.5
20.0 mm (0.787 in)
 
9.0 N (2 lbf)
1.0 N (0.2 lbf)
5.0 mm (0.197 in)
Stainless Steel
 
 
 
 
 
PRT-25
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
8.0 mm (0.315 in)
M12 x 1.75
25.0 mm (0.984 in)
 
8.0 N (1.8 lbf)
2.5 N (0.6 lbf)
6.0 mm (0.236 in)
Stainless Steel
 
 
 
 
 
PRT-25N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
8.0 mm (0.315 in)
M12 x 1.75
25.0 mm (0.984 in)
 
8.0 N (1.8 lbf)
2.5 N (0.6 lbf)
6.0 mm (0.236 in)
Stainless Steel
 
 
 
 
 
PRT-28
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
.312 in (7.9 mm)
1/2-13
1.000 in (25.4 mm)
 
1.750 lbs (0.8 kg)
.50 lbs (0.2 kg)
.250 in (6.4 mm)
Stainless Steel
 
 
 
 
 
PRT-28N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
.312 in (7.9 mm)
1/2-13
1.000 in (25.4 mm)
 
1.750 lbs (0.8 kg)
.50 lbs (0.2 kg)
.250 in (6.4 mm)
Stainless Steel
 
 
 
 
 
PRT-29
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Delrin
3.0 mm (0.118 in)
M6 x 1.0
13.0 mm (0.512 in)
 
1.5 N (0.3 lbf)
.5 N (0.1 lbf)
3.0 mm (0.118 in)
Stainless Steel
 
 
 
 
 
PRT-2N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
.312 in (7.9 mm)
1/2-13
1.000 in (25.4 mm)
 
1.750 lbs (0.8 kg)
.50 lbs (0.2 kg)
.250 in (6.4 mm)
Steel
 
 
 
 
 
PRT-3N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
.248 in (6.3 mm)
3/8-16
.750 in (19.1 mm)
 
2.000 lbs (0.9 kg)
.250 lbs (0.1 kg)
.187 in (4.7 mm)
Steel
 
 
 
 
 
PRT-4
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
3.0 mm (0.118 in)
M6 x 1.0
13.0 mm (0.512 in)
 
1.5 N (0.3 lbf)
.5 N (0.1 lbf)
3.0 mm (0.118 in)
Steel
 
 
 
 
 
PRT-5
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
6.0 mm (0.236 in)
M10 x 1.5
20.0 mm (0.787 in)
 
9.0 N (2 lbf)
1.0 N (0.2 lbf)
5.0 mm (0.197 in)
Steel
 
 
 
 
 
PRT-5N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Steel
Delrin
6.0 mm (0.236 in)
M10 x 1.5
20.0 mm (0.787 in)
 
9.0 N (2 lbf)
1.0 N (0.2 lbf)
5.0 mm (0.197 in)
Steel
 
 
 
 
 
SPHR-250
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.124 in (3.1 mm)
1/4-20
.400 in (10.2 mm)
 
2.000 lbs (0.9 kg)
.50 lbs (0.2 kg)
.125 in (3.2 mm)
Stainless Steel
 
 
 
 
 
SPHR-250N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.124 in (3.1 mm)
1/4-20
.400 in (10.2 mm)
 
2.000 lbs (0.9 kg)
.50 lbs (0.2 kg)
.125 in (3.2 mm)
Stainless Steel
 
 
 
 
 
SPHR-375
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.186 in (4.7 mm)
3/8-16
.750 in (19.1 mm)
 
3.000 lbs (1.4 kg)
.50 lbs (0.2 kg)
.220 in (5.6 mm)
Stainless Steel
 
 
 
 
 
SPHR-375N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
.186 in (4.7 mm)
3/8-16
.750 in (19.1 mm)
 
3.000 lbs (1.4 kg)
.50 lbs (0.2 kg)
.220 in (5.6 mm)
Stainless Steel
 
 
 
 
 
SPHR-60N
Hand-Retractable Spring Plungers - Round Knob
 
 
Round Knob
Vlier
Stainless Steel
Stainless Steel
3.0 mm (0.118 in)
M6 x 1.0
13.0 mm (0.512 in)
 
17.800 lbs (8.1 kg)
4.45 lbs (2 kg)
3.0 mm (0.118 in)
Stainless Steel
 
 
 
 
No CAD available
SPHR-635
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
.123 in (3.1 mm)
1/4-20
.40 in (10.2 mm)
 
4.000 lbs (1.8 kg)
1.0 lbs (0.5 kg)
.13 in (3.3 mm)
Stainless Steel
.750 in (19.1 mm)
.125 in (3.2 mm)
.805 in (20.4 mm)
 
No CAD available
SPHR-635N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
.123 in (3.1 mm)
1/4-20
.40 in (10.2 mm)
 
4.000 lbs (1.8 kg)
1.0 lbs (0.5 kg)
.13 in (3.3 mm)
Stainless Steel
.750 in (19.1 mm)
.125 in (3.2 mm)
.805 in (20.4 mm)
 
No CAD available
SPHR-640
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
.154 in (3.9 mm)
5/16-18
.53 in (13.5 mm)
 
6.000 lbs (2.7 kg)
1.0 lbs (0.5 kg)
.19 in (4.8 mm)
Stainless Steel
.875 in (22.2 mm)
.125 in (3.2 mm)
1.07 in (27.2 mm)
 
No CAD available
SPHR-650N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
.248 in (6.3 mm)
1/2-13
.65 in (16.5 mm)
 
10.000 lbs (4.5 kg)
1.0 lbs (0.5 kg)
.25 in (6.4 mm)
Stainless Steel
1.25 in (31.8 mm)
.250 in (6.4 mm)
1.38 in (35.1 mm)
 
No CAD available
FHR-50
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Steel
Steel
3.0 mm (0.118 in)
M6 x 1.00
10.0 mm (0.394 in)
 
18.0 N (4 lbf)
4.5 N (1 lbf)
3.2 mm (0.126 in)
Steel
19.0 mm (0.748 in)
3.0 mm (0.118 in)
20 mm (0.787 in)
 
No CAD available
FHR-50N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Steel
Steel
3.0 mm (0.118 in)
M6 x 1.00
10.0 mm (0.394 in)
 
18.0 N (4 lbf)
4.5 N (1 lbf)
3.2 mm (0.126 in)
Steel
19.0 mm (0.748 in)
3.0 mm (0.118 in)
20 mm (0.787 in)
 
No CAD available
SPHR-615
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
3.0 mm (0.118 in)
M6 x 1.00
10.0 mm (0.394 in)
 
18.0 N (4 lbf)
4.5 N (1 lbf)
3.2 mm (0.126 in)
Stainless Steel
19.0 mm (0.748 in)
3.0 mm (0.118 in)
20 mm (0.787 in)
 
No CAD available
SPHR-620N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
4.0 mm (0.157 in)
M8 x 1.25
13.5 mm (0.531 in)
 
27.0 N (6.1 lbf)
4.5 N (1 lbf)
4.8 mm (0.189 in)
Stainless Steel
22.0 mm (0.866 in)
3.0 mm (0.118 in)
27 mm (1.063 in)
 
No CAD available
FHR-60
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Steel
Steel
4.7 mm (0.185 in)
M10 x 1.50
19.0 mm (0.748 in)
 
36.0 N (8.1 lbf)
4.5 N (1 lbf)
5.6 mm (0.22 in)
Steel
25.0 mm (0.984 in)
5.0 mm (0.197 in)
32 mm (1.26 in)
 
No CAD available
FHR-60N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Steel
Steel
4.7 mm (0.185 in)
M10 x 1.50
19.0 mm (0.748 in)
 
36.0 N (8.1 lbf)
4.5 N (1 lbf)
5.6 mm (0.22 in)
Steel
25.0 mm (0.984 in)
5.0 mm (0.197 in)
32 mm (1.26 in)
 
No CAD available
SPHR-625
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
4.7 mm (0.185 in)
M10 x 1.50
19.0 mm (0.748 in)
 
36.0 N (8.1 lbf)
4.5 N (1 lbf)
5.6 mm (0.22 in)
Stainless Steel
25.0 mm (0.984 in)
5.0 mm (0.197 in)
32 mm (1.26 in)
 
No CAD available
SPHR-625N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
4.7 mm (0.185 in)
M10 x 1.50
19.0 mm (0.748 in)
 
36.0 N (8.1 lbf)
4.5 N (1 lbf)
5.6 mm (0.22 in)
Stainless Steel
25.0 mm (0.984 in)
5.0 mm (0.197 in)
32 mm (1.26 in)
 
No CAD available
FHR-65
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Steel
Steel
6.5 mm (0.256 in)
M12 x 1.75
16.5 mm (0.65 in)
 
44.5 N (10 lbf)
4.5 N (1 lbf)
6.5 mm (0.256 in)
Steel
32.0 mm (1.26 in)
6.0 mm (0.236 in)
35 mm (1.378 in)
 
No CAD available
FHR-65N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Steel
Steel
6.5 mm (0.256 in)
M12 x 1.75
16.5 mm (0.65 in)
 
44.5 N (10 lbf)
4.5 N (1 lbf)
6.5 mm (0.256 in)
Steel
32.0 mm (1.26 in)
6.0 mm (0.236 in)
35 mm (1.378 in)
 
No CAD available
SPHR-630
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
6.5 mm (0.256 in)
M12 x 1.75
16.5 mm (0.65 in)
 
44.5 N (10 lbf)
4.5 N (1 lbf)
6.5 mm (0.256 in)
Stainless Steel
32.0 mm (1.26 in)
6.0 mm (0.236 in)
35 mm (1.378 in)
 
No CAD available
PHR-605N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Steel
Steel
4.7 mm (0.185 in)
M10 x 1.50
19.0 mm (0.748 in)
 
13.3 N (3 lbf)
2.2 N (0.5 lbf)
5.6 mm (0.22 in)
Steel
19.0 mm (0.748 in)
 
 
13.0 mm (0.512 in)
No CAD available
PHR-610
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Steel
Steel
6.3 mm (0.248 in)
M12 x 1.75
17.0 mm (0.669 in)
 
17.8 N (4 lbf)
2.2 N (0.5 lbf)
6.4 mm (0.252 in)
Steel
25.0 mm (0.984 in)
 
 
18.0 mm (0.709 in)
No CAD available
PHR-610N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Steel
Steel
6.3 mm (0.248 in)
M12 x 1.75
17.0 mm (0.669 in)
 
17.8 N (4 lbf)
2.2 N (0.5 lbf)
6.4 mm (0.252 in)
Steel
25.0 mm (0.984 in)
 
 
18.0 mm (0.709 in)
No CAD available
SPHR-600
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
3.0 mm (0.118 in)
M6 x 1.00
10.0 mm (0.394 in)
 
8.9 N (2 lbf)
2.2 N (0.5 lbf)
3.2 mm (0.126 in)
Stainless Steel
13.0 mm (0.512 in)
 
 
10.7 mm (0.421 in)
No CAD available
SPHR-610N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
6.3 mm (0.248 in)
M12 x 1.75
17.0 mm (0.669 in)
 
17.8 N (4 lbf)
2.2 N (0.5 lbf)
6.4 mm (0.252 in)
Stainless Steel
25.0 mm (0.984 in)
 
 
18.0 mm (0.709 in)
No CAD available
SPHR-630N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
6.5 mm (0.256 in)
M12 x 1.75
16.5 mm (0.65 in)
 
44.5 N (10 lbf)
4.5 N (1 lbf)
6.5 mm (0.256 in)
Stainless Steel
32.0 mm (1.26 in)
6.0 mm (0.236 in)
35 mm (1.378 in)
 
No CAD available
PHR-600
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Steel
Steel
3.0 mm (0.118 in)
M6 x 1.00
10.0 mm (0.394 in)
 
8.9 N (2 lbf)
2.2 N (0.5 lbf)
3.2 mm (0.126 in)
Steel
13.0 mm (0.512 in)
 
 
10.7 mm (0.421 in)
No CAD available
PHR-600N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Steel
Steel
3.0 mm (0.118 in)
M6 x 1.00
10.0 mm (0.394 in)
 
8.9 N (2 lbf)
2.2 N (0.5 lbf)
3.2 mm (0.126 in)
Steel
13.0 mm (0.512 in)
 
 
10.7 mm (0.421 in)
No CAD available
PHR-605
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Steel
Steel
4.7 mm (0.185 in)
M10 x 1.50
19.0 mm (0.748 in)
 
13.3 N (3 lbf)
2.2 N (0.5 lbf)
5.6 mm (0.22 in)
Steel
19.0 mm (0.748 in)
 
 
13.0 mm (0.512 in)
No CAD available
SPHR-600N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
3.0 mm (0.118 in)
M6 x 1.00
10.0 mm (0.394 in)
 
8.9 N (2 lbf)
2.2 N (0.5 lbf)
3.2 mm (0.126 in)
Stainless Steel
13.0 mm (0.512 in)
 
 
10.7 mm (0.421 in)
No CAD available
SPHR-605
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
4.7 mm (0.185 in)
M10 x 1.50
19.0 mm (0.748 in)
 
13.3 N (3 lbf)
2.2 N (0.5 lbf)
5.6 mm (0.22 in)
Stainless Steel
19.0 mm (0.748 in)
 
 
13.0 mm (0.512 in)
No CAD available
SPHR-605N
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
4.7 mm (0.185 in)
M10 x 1.50
19.0 mm (0.748 in)
 
13.3 N (3 lbf)
2.2 N (0.5 lbf)
5.6 mm (0.22 in)
Stainless Steel
19.0 mm (0.748 in)
 
 
13.0 mm (0.512 in)
No CAD available
SPHR-610
Hand-Retractable Spring Plungers - Round Knob
Locking Nose,No Thread Locking Element
Zinc Plated
Round Knob
Vlier
Stainless Steel
Stainless Steel
6.3 mm (0.248 in)
M12 x 1.75
17.0 mm (0.669 in)
 
17.8 N (4 lbf)
2.2 N (0.5 lbf)
6.4 mm (0.252 in)
Stainless Steel
25.0 mm (0.984 in)
 
 
18.0 mm (0.709 in)

Bill of Materials Data

Manufacturer Essentra Components
Description Hand-Retractable Spring Plungers - Round Knob
Part Number FHR-3
Special Features (All)
Finish
Handle Type Round Knob
Brand Vlier
Body Material Steel
Handle Material Steel
Nose Diameter .185 in (4.7 mm)
Body Thread Size 3/8-16
Body Thread Length .750 in (19.1 mm)
Surface Finish Zinc Plated
Final End Force 8.000 lbs (3.6 kg)
Initial End Force 1.0 lbs (0.5 kg)
Nose Projection .219 in (5.6 mm)
Nose Material Steel
Knob Diameter
Hole Size
Handle and Body Length
Handle and Relief Height
URL (US) http://us.essentracomponents.com/en-US/search?searchTerm=FHR-3

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