BP Ball Plungers Steel, Threaded Body Type


Product description


BP ball plungers are compact units ideally suited for many locating or positioning applications in dies, special tooling, automatic feed devices, etc. where controlled end pressure is required.


Body and spring

Type 440 stainless steel

  • Zinc plated body indicates light end pressure
  • Black oxide body indicates standard end pressure
  • Gold chromate finish body indicates heavy end pressure

Available with or without nylon locking element
  • Ball plungers with thread size 1/4X20 and smaller with locking element will have nylon patch*

RoHS compliant

Technical drawing

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BP Steel Ball Plungers, Threaded Body Type sketch

Part Options / Table


ANo Locking Element
NLocking Element
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Dimensions in: Inch (change to Metric)
d2lwColorSpring Load ≈

10 x 32*.0937.513.025ZINC.50 lbf (2.22 N)1.50 lbf (6.67 N)
10 x 32*.0937.513.025BLACK1.50 lbf (6.67 N)3.00 lbf (13.34 N)
10 x 32*.0937.513.025GOLD2.00 lbf (8.89 N)5.00 lbf (22.24 N)
1/4 x 20*.1250.531.035ZINC2.00 lbf (8.89 N)4.00 lbf (17.79 N)
1/4 x 20*.1250.531.035BLACK3.00 lbf (13.34 N)7.00 lbf (31.13 N)
1/4 x 20*.1250.531.035GOLD4.00 lbf (17.79 N)12.00 lbf (53.37 N)
5/16 x 18.1560.578.040ZINC2.00 lbf (8.89 N)4.50 lbf (20.01 N)
5/16 x 18.1560.578.040BLACK4.00 lbf (17.79 N)9.00 lbf (40.03 N)
5/16 x 18.1560.578.040GOLD6.00 lbf (26.68 N)17.00 lbf (75.61 N)
3/8 x 16.1875.625.048ZINC2.50 lbf (11.12 N)5.00 lbf (22.24 N)
3/8 x 16.1875.625.048BLACK5.00 lbf (22.24 N)10.00 lbf (44.48 N)
3/8 x 16.1875.625.048GOLD6.00 lbf (26.68 N)21.00 lbf (93.41 N)
1/2 x 13.2813.750.072ZINC3.00 lbf (13.34 N)6.00 lbf (26.68 N)
1/2 x 13.2813.750.072BLACK6.00 lbf (26.68 N)12.00 lbf (53.37 N)
1/2 x 13.2813.750.072GOLD6.00 lbf (26.68 N)30.00 lbf (133.44 N)
5/8 x 11.3750.984.096ZINC4.50 lbf (20.01 N)9.00 lbf (40.03 N)
5/8 x 11.3750.984.096BLACK9.00 lbf (40.03 N)18.00 lbf (80.06 N)
5/8 x 11.3750.984.096GOLD7.00 lbf (31.13 N)50.00 lbf (222.41 N)
* With nylon patch

Build & Price

End Spring Load (N)

Selected Part

Total USD (net)
In stock: 230
In stock
Please note our quantity discounts (USD).
≥ 500$2.63
Weight: 0.002 lbs
If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351
RoHS compliant: -
This part is new in our product range, no details are available at this time. For more recent details on the RoHS compatibility, please contact our Sales Department!
Phone: 800-877-8351
All Prices are in US Dollars. Taxes Not Included.

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