Retractable Screws | McMaster-Carr

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386 Products

Retractable Spring Plungers

Knob-Style Retractable Spring Plungers

Retract the nose by pulling the knob.

Twist-to-Lock Knob-Style
Retractable Spring Plungers

Lock the nose into the retracted position by pulling the knob and rotating it 90°.

Sanitary Twist-to-Lock Knob-Style
Retractable Spring Plungers

Quickly align, join, or hold machine components in place in food, pharmaceutical, and other sanitary environments. Pulling the plunger knob and twisting it 90° will lock the nose into its retracted position.

Pull-Ring Retractable Spring Plungers

The ring allows you to attach these spring plungers to a lanyard.

Twist-to-Lock Pull-Ring Retractable Spring Plungers

Lock the nose into the retracted position by pulling the ring and rotating it 90°.

Pull-Ring Retractable Spring Plungers with Lanyard

Use the lanyard as a tether to secure the spring plunger to machinery and prevent accidental drops.

Twist-to-Lock L-Handle Retractable Spring Plungers

Twist-to-Lock L-Handle Retractable Spring Plungers

Lock the nose into the retracted position by pulling the handle and rotating it 90°.

L-Handle Retractable Spring Plungers

T-Handle Retractable Spring Plungers

T-Handle Retractable Spring Plungers

Add-a-Knob Retractable Spring Plungers

Thread onto machinery or attach a knob or handle to the threaded spindle.

Low-Profile Knob-Style Retractable
Spring Plungers with Hex Drive

Install by hand or with a hex key in low-clearance applications.

Thread-In Captive-Panel Retractable Spring Plungers

Thread-In Captive-Panel
Retractable Spring Plungers

Thread-In Captive-Panel Retractable Spring Plungers

Insert the nose into a panel; then thread on the nut and tighten using an installation wrench.

Twist-to-Lock Thread-In Captive-Panel
Retractable Spring Plungers

Twist-to-Lock Thread-In Captive-Panel Retractable Spring Plungers

Lock the nose in the retracted position by pulling the knob and rotating it 90°.

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