McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	For Shaft Diameter For Shaft Diameter

1/4" to 5/8"

1/4" to 3/4"

1/4" to 7/8"

1/4" to 1"

5/16"

3/8"

7/16"

7/16" to 1 1/8"

7/16" to 1 3/16"

7/16" to 1 3/8"

1/2"

9/16"

5/8"

5/8" to 1 5/8"

5/8" to 1 7/8"

11/16"

3/4"

3/4" to 2 1/8"

3/4" to 2 5/8"

	OD OD

	Overall Length Overall Length

	For Shaft Type For Shaft Type

	Round
	Keyed
	Spline

	Material Material

	Body Material Body Material

	For Shaft Misalignment Type For Shaft Misalignment Type


Angular	Parallel

Axial	None

	Shaft Mount Type Shaft Mount Type


Clamp On	Set Screw

Press Fit

	For Motion Type For Motion Type

Forward/Reverse

Start/Stop

Continuous

	Construction Construction

Multipiece

One Piece

Three Piece

	Angle of Misalignment Angle of Misalignment

1°

2°

5°

	Shaft Coupling Type Shaft Coupling Type

Flexible

Rigid

	Maximum Pull Force Maximum Pull Force

Less than 10,000 lbs.

10,000 to 19,999 lbs.

20,000 to 39,999 lbs.

40,000 to 99,999 lbs.

100,000 lbs. or greater

	Set Screw Material Set Screw Material

Steel

Stainless Steel

	Maximum Torque Maximum Torque

	Angular Misalignment Capability Angular Misalignment Capability

	Maximum Speed Maximum Speed

30,000 rpm or greater

Not Rated

	Number of Set Screws Included Number of Set Screws Included

	Parallel Misalignment Capability Parallel Misalignment Capability

	Clamping Screw Material Clamping Screw Material

Steel

Stainless Steel

	Clamping Screw Type Clamping Screw Type

1,775 Products

Alignment Couplings

Rod Alignment Couplers

Increase cylinder life by fixing alignment problems between air or hydraulic cylinders and driven components.

Shaft Collars and Couplings

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