Plunger Pins | McMaster-Carr

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System of Measurement

Diameter

Thread Size

Usable Length

1 1/4" to 1 3/4"

Fastener Head Type

Nose Material

Stainless Steel

Nose Diameter

Spring Plunger Nose Type

Material

Stainless Steel

Body Length

Extended Nose Length

Body Material

Stainless Steel

Handle Material

Stainless Steel

Mount Type

Unthreaded Hole

Locking Type

Without Threadlocker

End Type

Spring-Loaded Ball

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

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

Performance

Adjustable Length

Corrosion Resistant

High Visibility

Thread Length

Plunger Locking Type

Drive Style

Spring Plunger Driver

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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3,743 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

Ball-Nose Spring Plungers

Ball-Nose Spring Plungers

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

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

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

T-Handle Retractable Spring Plungers

T-Handle Retractable Spring Plungers

The widest grip of all handles for the most leverage

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

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

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

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

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

Spring Plunger Catches

Spring Plunger Catches

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

Index Plungers

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

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

Spring Locating Pins

Spring Locating Pins

Apply side force to workpieces to clamp them in place

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.)