Spring Loaded Dowels | McMaster-Carr

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System of Measurement

Diameter

Length

Material

Stainless Steel

Thread Size

Nose Material

Stainless Steel

Nose Diameter

Spring Plunger Nose Type

Shaft Type

Body Length

Body Material

Stainless Steel

Extended Nose Length

Mount Type

Performance

Corrosion Resistant

Create-Your-Own

Stress Resistant

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

Fastener Head Type

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

Hole Diameter

0.031" to 0.032"

0.039" to 0.040"

0.047" to 0.048"

0.051" to 0.053"

0.061" to 0.065"

0.062" to 0.065"

0.077" to 0.081"

0.078" to 0.081"

0.093" to 0.097"

0.094" to 0.097"

0.108" to 0.112"

0.109" to 0.112"

0.124" to 0.129"

0.125" to 0.129"

0.14" to 0.144"

0.155" to 0.160"

0.156" to 0.16"

0.157" to 0.16"

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

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

Export Control Classification Number (ECCN)

Plunger Locking Type

How can we improve?

3,244 Products

Spring Plungers

Long-Nose Spring Plungers

Long-Nose Spring Plungers

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

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

Ring-Grip Retractable Spring Plungers

Ring-Grip Retractable Spring Plungers

Attach a lanyard to prevent accidental drops

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

Press-Fit Ball-Nose Spring Plungers

Press-Fit Ball-Nose Spring Plungers

Push into unthreaded holes when you can't tap threads

Plate-Mount Retractable Spring Plungers

Plate-Mount Retractable Spring Plungers

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

Knob-Grip Retractable Spring Plungers

Knob-Grip Retractable Spring Plungers

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

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

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

Hex-Nose Spring Plungers

Hex-Nose Spring Plungers

Easily install with a wrench to lock large moving parts

T-Handle Retractable Spring Plungers

T-Handle Retractable Spring Plungers

The widest grip of all handles for the most leverage

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

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

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

Low-Profile Knob-Grip Retractable Spring Plungers

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

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

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

Sanitary Retractable Spring Plungers

Sanitary Retractable Spring Plungers

Free of nooks and crannies where bacteria could collect

Other Products

Spring Pins

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

Spring Locating Pins

Spring Locating Pins

Apply side force to workpieces to clamp them in place

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