Adjustable Collars | McMaster-Carr

	System of Measurement System of Measurement

Inch

Metric

	For Shaft Diameter For Shaft Diameter

	Material Material

	Finish Finish

	Construction Construction


One Piece	Two Piece

Three Piece	Hinged

	For Shaft Type For Shaft Type


Round	Round with Support Rail

Square	Keyed

Acme Lead Screw	D-Profile

Hex	Threaded

	Shaft Mount Type Shaft Mount Type


Clamp On	Set Screw

	OD OD

	Width Width

	Clamping Screw Material Clamping Screw Material

Steel

Stainless Steel

	Number of Clamping Screws Included Number of Clamping Screws Included

	Clamping Screw Type Clamping Screw Type

Socket Head Screw

Cap Screw

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	Clamping Screw Finish Clamping Screw Finish

Black Oxide

Zinc Plated

	Keyway Width Keyway Width

	Overall Length Overall Length

	For Motion Type For Motion Type

Continuous

Forward/Reverse

Start/Stop

	Maximum Torque Maximum Torque

	Keyway Depth Keyway Depth

	Thread Size Thread Size

	Maximum Speed Maximum Speed

2,681 Products

About Shaft Collars

Shaft collars are useful for holding and positioning components on a shaft. They can also serve as mechanical stops and stroke limiters.

Shaft Collars

To install, slide these one-piece collars onto the end of your shaft.

Two-Piece Shaft Collars

Install anywhere on a shaft without removing components or having access to the ends of the shaft.

Hinged Shaft Collars

Offering the benefits of a two-piece collar in a one-piece design, these collars swing open for positioning then close anywhere on your shaft.

Mountable Shaft Collars

Mounting holes or weldable materials allow you to fasten gears, pulleys, and sprockets to these collars.

Support-Rail Shaft Collars

Designed to fit onto shafts that have a support rail running underneath them, these collars can be used as end-stops for linear motion components.

Square Shaft Collars

Install these two-piece collars square shafts.

Quick-Release Shaft Collar Handles

These threaded handles take the place of a set screw, allowing you to move set screw shaft collars without additional tools—useful for when the collar serves as a stroke limiter or mounting clamp.

Threaded Shaft Collars

Hex Shaft Collars

D-Profile Shaft Collars

Shaft Connectors

Couplings, universal joints, and flexible shafts connect two shafts together and transfer torque from one to the other.

Lead Screw Collars

Install these threaded collars on a lead screw to separate and position components, or use them as an end stop to limit travel.

Pipe Bushings for Shaft Collars

Sized specifically to adapt standard shaft collars to pipe, these bushings create a tight fit.