Plungers | McMaster-Carr

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Nose Material

Stainless Steel

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Borosilicate Glass

Stainless Steel

Spring Plunger Nose Type

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Unthreaded Hole

Extended Nose Length

Body Material

Stainless Steel

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Without Threadlocker

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Spring Plunger Driver

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

Plunger Locking Type

Diameter

Handle Material

Stainless Steel

Thread Length

Performance

Adjustable Height

Adjustable Length

Adjustable Volume

Bend Preventing

Coolant Resistant

Corrosion Resistant

Create-Your-Own

High Visibility

Body Diameter

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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

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4,952 Products

Spring Plungers

Ball-Nose Spring Plungers

Ball-Nose Spring Plungers

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

Long-Nose Spring Plungers

Long-Nose Spring Plungers

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

Knob-Grip Retractable Spring Plungers

Knob-Grip Retractable Spring Plungers

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

Press-Fit Ball-Nose Spring Plungers

Press-Fit Ball-Nose Spring Plungers

Push into unthreaded holes when you can't tap threads

Ring-Grip Retractable Spring Plungers

Ring-Grip Retractable Spring Plungers

Attach a lanyard to prevent accidental drops

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

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

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

Retractable Spring Plungers for Panels

Retractable Spring Plungers for Panels

Manually lock and release sliding components

Hex-Nose Spring Plungers

Hex-Nose Spring Plungers

Easily install with a wrench to lock large moving parts

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

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

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

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

Other Products

Spring Plunger Drivers

Spring Plunger Drivers

Install spring plungers from the nose end without depressing the nose

Plungers

Force air down toilets and drains to clear clogs

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

Toggle Clamps

Lock workpieces onto worktables or objects

Spring Plunger Catches

Spring Plunger Catches

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

Clamp Holding Screws

Clamp Holding Screws

Replace worn holding screws in clamps or customize with different sizes or styles

Spring Locating Pins

Spring Locating Pins

Apply side force to workpieces to clamp them in place

Index Plungers

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

Spring Plunger Mounts

Spring Plunger Mounts

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

Quick-Release Pin Receptacles

Quick-Release Pin Receptacles

Secure quick-release pins when you don’t have a through hole

Vacuum Cups

Connect to vacuum lifters to grip, lift, and move items

Variance Indicators

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

Vacuum Cup Levelers

Vacuum Cup Levelers

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

Edge Finders

Locate edges, shoulders, center points, and lines on workpieces in milling machines

Adhesive Dispensing Gun Cartridge Plungers

Adhesive Dispensing Gun Cartridge Plungers

Pair with syringes or dispensing-gun cartridges to push adhesive out

Spring Locating Pin Installation Tools

Spring Locating Pin Installation Tools

Hold spring locating pins in place for installation

Adhesive Dispensing Guns

Adhesive Dispensing Guns

Apply beads of adhesive from a cartridge to surfaces

Syringes

Draw in and dispense fluids

Quick-Release Pin Retaining Caps

Quick-Release Pin Retaining Caps

Hold quick-release pins in holes that are oversized or out of round

Pipettes

Transfer drops or a measured stream of liquid

Pipettors

Dispense liquid in accurate, repeatable amounts with the push of a button

Vacuum Cup Swivels

Vacuum Cup Swivels

Rotate and flex so your vacuum cups can grip items at an angle

Vacuum Fittings

Vacuum Fittings

Connect to vacuum cups and compressed air to create suction; also known as venturi devices

Pipette Tips

Attach to the end of your pipettor to dispense small amounts of liquid

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