SPDN Short Spring Plungers Steel, With Delrin Nose


Product description


SPDN short spring plungers are used for designs where space is limited, but where appreciable plunger travel and high end pressures are required. Permits use where mating surfaces must be flush.


Case hardened steel


Available with or without nylon locking element
  • Nylon locking element not recommended for aluminum applications
  • Spring plungers with thread size smaller than 1/4X20 and locking element will have nylon patch*

RoHS compliant

Technical drawing

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SPDN Steel Short Spring Plungers, With Delrin Nose sketch

Part Options / Table


Kplastic bolt, with standard spring load
KSSteel body, plastic bolt, with high spring load
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Dimensions in: Inch (change to Metric)
Form K


Form KS
d2lwSpring Load


Form K


Form K

Spring Load


Form KS


Form KS
8 x 32*8 x 32*.070.437.052.50 lbf (2.22 N)1.50 lbf (6.67 N)1.50 lbf (6.67 N)4.75 lbf (21.12 N)
8 x 36*8 x 36*.070.437.052.50 lbf (2.22 N)1.50 lbf (6.67 N)1.50 lbf (6.67 N)4.75 lbf (21.12 N)
10 x 32*10 x 32*.093.468.065.75 lbf (3.33 N)2.50 lbf (11.12 N)1.75 lbf (7.78 N)6.25 lbf (27.80 N)
1/4 x 201/4 x 20.119.531.0781.00 lbf (4.44 N)3.50 lbf (15.56 N)3.00 lbf (13.34 N)10.50 lbf (46.70 N)
5/16 x 185/16 x 18.135.562.0841.25 lbf (5.56 N)4.00 lbf (17.79 N)3.75 lbf (16.68 N)15.50 lbf (68.94 N)
3/8 x 163/8 x 16.186.625.1101.50 lbf (6.67 N)5.00 lbf (22.24 N)4.50 lbf (20.01 N)18.50 lbf (82.29 N)
1/2 x 131/2 x 13.248.750.1511.75 lbf (7.78 N)5.50 lbf (24.46 N)5.00 lbf (22.24 N)28.00 lbf (124.55 N)
5/8 x 115/8 x 11.3101.062.2152.00 lbf (8.89 N)8.50 lbf (37.80 N)7.00 lbf (31.13 N)50.00 lbf (222.41 N)
*With nylon patch

Build & Price

d1 (Form K)
d1 (Form KS)

Locking Element

Selected Part

Total USD (net)
In stock: 40
In stock
Please note our quantity discounts (USD).
≥ 500$2.60
Weight: 0.005 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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