Plunger Pins | McMaster-Carr

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System of Measurement

Thread Size

Diameter

Material

Stainless Steel

Usable Length

1 1/4" to 1 3/4"

Nose Diameter

Nose Material

Stainless Steel

Fastener Head Type

Spring Plunger Nose Type

Mount Type

Unthreaded Hole

Body Length

Extended Nose Length

Body Material

Stainless Steel

Handle Material

Stainless Steel

Plunger Locking Type

Locking Type

Without Threadlocker

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

Performance

Adjustable Length

Corrosion Resistant

Create-Your-Own

High Visibility

Thread Length

Drive Style

Spring Plunger Driver

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

REACH

RoHS

Compliant with Exemptions

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

3,744 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

Ring-Grip Retractable Spring Plungers

Ring-Grip Retractable Spring Plungers

Attach a lanyard to prevent accidental drops

Long-Nose Spring Plungers

Long-Nose Spring Plungers

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

L-Handle Retractable Spring Plungers

L-Handle Retractable Spring Plungers

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

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

Plate-Mount Retractable Spring Plungers

Plate-Mount Retractable Spring Plungers

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

Ball-Nose Spring Plungers

Ball-Nose Spring Plungers

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

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

Press-Fit Ball-Nose Spring Plungers

Press-Fit Ball-Nose Spring Plungers

Push into unthreaded holes when you can't tap threads

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

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

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

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

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

Hex-Nose Spring Plungers

Hex-Nose Spring Plungers

Easily install with a wrench to lock large moving parts

Hex-Nose Spring Plungers For Ejecting

Hex-Nose Spring Plungers For Ejecting

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

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

Other Products

Quick-Release Pins

Quick-Release Pins

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

Spring Plunger Drivers

Spring Plunger Drivers

Install spring plungers from the nose end without depressing the nose

Index Plungers

Align parts that have mating bushings for more precision than standard spring plungers

Spring Plunger Catches

Spring Plunger Catches

Act as a stop for positioning ball-nose and long-nose spring plungers

Spring Locating Pins

Spring Locating Pins

Apply side force to workpieces to clamp them in place

Spring Stops

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

Spring Plunger Mounts

Spring Plunger Mounts

Secure ball-nose and long-nose spring plungers to fixture surfaces

Vacuum Cup Levelers

Vacuum Cup Levelers

Adjust vacuum cups to lift items with variable heights; also known as spring plungers

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