Locking Plungers | McMaster-Carr

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System of Measurement

Diameter

Usable Length

1 1/4" to 1 3/4"

1 3/4" to 2 1/4"

2 1/4" to 2 3/4"

Fastener Head Type

Thread Size

Material

Stainless Steel

Nose Diameter

Nose Material

Stainless Steel

Plunger Locking Type

Handle Material

Stainless Steel

Mount Type

Unthreaded Hole

Extended Nose Length

Thread Length

Performance

Adjustable Length

Corrosion Resistant

High Visibility

Body Length

Body Material

Stainless Steel

End Type

Spring-Loaded Ball

Locking Type

Without Threadlocker

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

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

Export Control Classification Number (ECCN)

Extended Nose Force

Less than 1 lbf

1 lbf to 1.99 lbf

2 lbf to 2.99 lbf

3 lbf to 4.99 lbf

5 lbf or greater

Compressed 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

Handle Diameter

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1,523 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

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

Ring-Grip Retractable Spring Plungers

Ring-Grip Retractable Spring Plungers

Attach a lanyard to prevent accidental drops

Retractable Spring Plungers for Panels

Retractable Spring Plungers for Panels

Manually lock and release sliding components

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

Sanitary Retractable Spring Plungers

Sanitary Retractable Spring Plungers

Free of nooks and crannies where bacteria could collect

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

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

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

Other Products

Quick-Release Pins

Quick-Release Pins

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

Spring Stops

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

Index Plungers

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

Hoist Rings

Pivot to resist stress that would bend or break an eyebolt when lifting at an angle

Sleeve Splines

Pair with sleeve spline bearings to transmit rotary power or move loads along the shaft

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