Spring-Loaded Pins | McMaster-Carr

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System of Measurement

Thread Size

Diameter

Nose Diameter

Nose Material

Stainless Steel

Spring Plunger Nose Type

Fastener Head Type

Material

Stainless Steel

Body Length

Mount Type

Unthreaded Hole

Extended Nose Length

Body Material

Stainless Steel

Usable Length

13/16" to 15/16"

Locking Type

Without Threadlocker

Length

Handle Material

Stainless Steel

Plunger Locking Type

Extended Nose Force

Less than 1 lbf

1 lbf to 1.99 lbf

2 lbf to 4.99 lbf

5 lbf to 9.99 lbf

10 lbf or greater

Thread Length

Compressed Nose Force

Less than 10 lbf

10 lbf to 19.9 lbf

20 lbf to 24.9 lbf

25 lbf to 49.9 lbf

50 lbf or greater

Drive Style

Spring Plunger Driver

Performance

Adjustable Length

Corrosion Resistant

High Visibility

Stress Resistant

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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5,647 Products

Spring Plungers

Knob-Grip Retractable Spring Plungers

Knob-Grip Retractable Spring Plungers

Tug the knob to manually retract the nose and make controlled adjustments

Long-Nose Spring Plungers

Long-Nose Spring Plungers

Handle heavier side forces than ball-nose spring plungers to lock large moving parts

Ball-Nose Spring Plungers

Ball-Nose Spring Plungers

Thread into holes to align, position, and lock moving parts during machining and assembly

Ring-Grip Retractable Spring Plungers

Ring-Grip Retractable Spring Plungers

Attach a lanyard to prevent accidental drops

T-Handle Weld-On Retractable Spring Plungers

T-Handle Weld-On Retractable Spring Plungers

Give you more leverage than other handles and weld to metal surfaces for extra security

L-Handle Retractable Spring Plungers

L-Handle Retractable Spring Plungers

Take up less space than a T-handle and swivel to avoid obstacles

Plate-Mount Retractable Spring Plungers

Plate-Mount Retractable Spring Plungers

Fasten to a flat surface when it's not possible to thread holes

Press-Fit Long-Nose Spring Plungers

Press-Fit Long-Nose Spring Plungers

Push into unthreaded holes and handle heavier side forces than ball-nose spring plungers

Press-Fit Ball-Nose Spring Plungers

Press-Fit Ball-Nose Spring Plungers

Push into unthreaded holes when you can't tap threads

T-Handle Retractable Spring Plungers

T-Handle Retractable Spring Plungers

The widest grip of all handles for the most leverage

Ball-Grip Weld-On Retractable Spring Plungers

Ball-Grip Weld-On Retractable Spring Plungers

Easy to grip and weld to metal surfaces for extra security

L-Handle Weld-On Retractable Spring Plungers

L-Handle Weld-On Retractable Spring Plungers

Take up less space than a T-handle and weld to metal surfaces for extra security

Retractable Spring Plungers for Panels

Retractable Spring Plungers for Panels

Manually lock and release sliding components

Add-a-Handle Retractable Spring Plungers

Add-a-Handle Retractable Spring Plungers

Thread on the handle of your choice to control how you retract the nose

Long-Nose Spring Plungers For Ejecting

Long-Nose Spring Plungers For Ejecting

Three times longer than other noses to punch large parts free from presses or dies

Add-a-Handle Weld-On Retractable Spring Plungers

Add-a-Handle Weld-On Retractable Spring Plungers

Thread on the handle of your choice and weld to metal surfaces for extra security

Tight-Hold Ball-Nose Spring Plungers

Tight-Hold Ball-Nose Spring Plungers

An O-ring squeezes against unthreaded holes for a snug fit in overhead and vertical applications

Sanitary Retractable Spring Plungers

Sanitary Retractable Spring Plungers

Free of nooks and crannies where bacteria could collect

Low-Profile Knob-Grip Retractable Spring Plungers

Tighten with a hex key instead of your fingers to install in in tight spaces

Other Products

Quick-Release Pins

Quick-Release Pins

Fasten or remove components on equipment with a spring-loaded retaining ball

Spring Locating Pins

Spring Locating Pins

Apply side force to workpieces to clamp them in place

Spring Test Probes

Spring Test Probes

Use in spring test probe sockets to test for continuity and damaged components in circuit boards

Spring Stops

Push back against workpieces to hold them in place against stops and rails

Clevis Pins

Secure parts in place and lock with a cotter pin or retaining ring

Spring Locating Pin Installation Tools

Spring Locating Pin Installation Tools

Hold spring locating pins in place for installation

Spring Pins

Squeeze and insert into tight holes to hold parts in place with tension

Spring Test Probe Sockets

Spring Test Probe Sockets

Pair with spring test probes to test for continuity and damaged components in circuit boards

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)