BP Ball Plungers Steel, with or without Locking Element, with Slot


 BP Steel Ball Plungers, with or without Locking Element, with Slot

Product description


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

The locking element is supplied as either a patch or pellet and is not recommended for use in aluminum applications.


Housing / spring

Stainless steel AISI 440C

Color / end spring load

  • **Zinc*plated housing: light
  • **Black*oxide housing: standard
  • **Gold*chromate housing: heavy


Technical drawing

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 BP Steel Ball Plungers, with or without Locking Element, with Slot sketch

Part Options / Table


AWithout locking element
NWith locking element
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Dimensions in: Inch (change to Metric)
d2Length lw
ColorSpring load ≈

10 x 32*0.09370.5130.025ZINC0.50 lbf (2.22 N)1.50 lbf (6.67 N)
10 x 32*0.09370.5130.025BLACK1.50 lbf (6.67 N)3.00 lbf (13.34 N)
10 x 32*0.09370.5130.025GOLD2.00 lbf (8.89 N)5.00 lbf (22.24 N)
1/4 x 20*0.12500.5310.035ZINC2.00 lbf (8.89 N)4.00 lbf (17.79 N)
1/4 x 20*0.12500.5310.035BLACK3.00 lbf (13.34 N)7.00 lbf (31.13 N)
1/4 x 20*0.12500.5310.035GOLD4.00 lbf (17.79 N)12.00 lbf (53.37 N)
5/16 x 180.15600.5780.040ZINC2.00 lbf (8.89 N)4.50 lbf (20.01 N)
5/16 x 180.15600.5780.040BLACK4.00 lbf (17.79 N)9.00 lbf (40.03 N)
5/16 x 180.15600.5780.040GOLD6.00 lbf (26.68 N)17.00 lbf (75.61 N)
3/8 x 160.18750.6250.048ZINC2.50 lbf (11.12 N)5.00 lbf (22.24 N)
3/8 x 160.18750.6250.048BLACK5.00 lbf (22.24 N)10.00 lbf (44.48 N)
3/8 x 160.18750.6250.048GOLD6.00 lbf (26.68 N)21.00 lbf (93.41 N)
1/2 x 130.28130.7500.072ZINC3.00 lbf (13.34 N)6.00 lbf (26.68 N)
1/2 x 130.28130.7500.072BLACK6.00 lbf (26.68 N)12.00 lbf (53.37 N)
1/2 x 130.28130.7500.072GOLD6.00 lbf (26.68 N)30.00 lbf (133.44 N)
5/8 x 110.37500.9840.096ZINC4.50 lbf (20.01 N)9.00 lbf (40.03 N)
5/8 x 110.37500.9840.096BLACK9.00 lbf (40.03 N)18.00 lbf (80.06 N)
5/8 x 110.37500.9840.096GOLD7.00 lbf (31.13 N)50.00 lbf (222.41 N)
* These sizes come with a nylon patch instead of a nylon locking element

Build & Price

3D Product Configurator
Thread d1
End spring load (N)

Selected Part

Total US Dollars (net)
In Stock: 215
In Stock
Please note our quantity discounts (US Dollars).
≥ 500$2.79
Prop 65: Not compliant
Cancer and Reproductive Harm - www.P65Warnings.ca.gov
RoHS: Compliant
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
Weight: 0.002 lbs
If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351
All Prices are in US Dollars. Taxes Not Included.

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