Threaded Plungers | McMaster-Carr

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1,041 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

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

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.

Ball-Nose Spring Plungers

Slotted Ball-Nose Spring Plungers

Install these spring plungers with a screwdriver—they're slotted on one or both ends.

Hex-Drive Ball-Nose Spring Plungers

Install with a hex key for more torque than slotted ball-nose spring plungers.

Long-Nose Spring Plungers

Install with a driver.

Hex-Drive Long-Nose Spring Plungers

Install with a hex key for more torque than slotted long-nose spring plungers.

Slotted Long-Nose Spring Plungers

Slotted on both ends for installation with a screwdriver.

Long Hex-Nose Spring Plungers

Fasten from the nose end with a wrench for more torque than slotted long-nose spring plungers.

Extra-Long Hex-Nose Spring Plungers

These spring plungers have a nose that is about three-times longer than standard long hex-nose spring plungers.

Retractable Spring Plungers

Knob-Style Retractable Spring Plungers

Twist-to-Lock Knob-StyleRetractable Spring Plungers

Sanitary Twist-to-Lock Knob-StyleRetractable Spring Plungers

Pull-Ring Retractable Spring Plungers

Twist-to-Lock Pull-Ring Retractable Spring Plungers

Pull-Ring Retractable Spring Plungers with Lanyard

Twist-to-Lock L-Handle Retractable Spring Plungers

L-Handle Retractable Spring Plungers

T-Handle Retractable Spring Plungers

Add-a-Knob Retractable Spring Plungers

Low-Profile Knob-Style RetractableSpring Plungers with Hex Drive

Ball-Nose Spring Plungers

Slotted Ball-Nose Spring Plungers

Hex-Drive Ball-Nose Spring Plungers

Long-Nose Spring Plungers

Long-Nose Spring Plungers

Hex-Drive Long-Nose Spring Plungers

Slotted Long-Nose Spring Plungers

Long Hex-Nose Spring Plungers

Extra-Long Hex-Nose Spring Plungers

Twist-to-Lock Knob-Style
Retractable Spring Plungers

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

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