McMaster-Carr

Choose a Category

	System of Measurement System of Measurement

Inch

Metric

	For Shaft Diameter For Shaft Diameter

0.235" to 0.500"

0.235" to 0.625"

0.235" to 0.750"

0.235" to 0.875"

1/4"

1/4" to 5/8"

1/4" to 3/4"

1/4" to 7/8"

1/4" to 1"

5/16"

0.360" to 1.000"

0.360" to 1.125"

0.360" to 1.250"

0.360" to 1.375"

3/8"

7/16"

7/16" to 1 1/8"

7/16" to 1 3/16"

7/16" to 1 3/8"

0.485" to 1.500"

0.485" to 1.750"

0.485" to 2.000"

1/2"

1/2" to 1"

9/16"

5/8"

5/8" to 1 5/8"

5/8" to 1 7/8"

11/16"

3/4"

3/4" to 1 1/2"

3/4" to 2 1/8"

3/4" to 2 5/8"

1" to 2"

6.000 to 8.000mm

6.000 to 10.000mm

6.000 to 12.000mm

6.000 to 16.000mm

6.000 to 20.000mm

7mm

8mm

9mm

9.500 to 25.000mm

9.500 to 30.000mm

9.500 to 35.000mm

10mm

11mm

12mm

12.500 to 40.000mm

12.500 to 45.000mm

12.500 to 50.000mm

	For Shaft Type For Shaft Type


Round	Keyed

Straight	Threaded

Spline	Tapered

Hex	Square

	Material Material

	OD OD

	Shaft Mount Type Shaft Mount Type

	For Shaft Misalignment Type For Shaft Misalignment Type


None	Angular

Parallel	Axial

	Construction Construction

	For Motion Type For Motion Type

Forward/Reverse

Start/Stop

Continuous

	Overall Length Overall Length

2 3/4"-3"

	Shaft Coupling Type Shaft Coupling Type

Flexible

Rigid

	Keyway Width Keyway 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

	ID ID

	Finish Finish

	Set Screw Material Set Screw Material

Steel

Stainless Steel

	Number of Set Screws Included Number of Set Screws Included

	Keyway Depth Keyway Depth

	Angular Misalignment Capability Angular Misalignment Capability

	Maximum Torque Maximum Torque

	Parallel Misalignment Capability Parallel Misalignment Capability

Forward

How can we improve?

2,770 Products

Power Transmission

Shaft Collars and Couplings

Bushings for Sprockets and Pulleys

Reduce the ID of your standard sprocket or pulley.

Ball Joint Rod End Inserts

Attach these inserts to your rod end to increase its misalignment capabilities.

Tool Holding for Grinding, Sanding, and Polishing

Motor Shaft Arbors for
Abrasive Wheels and Brushes

Mount abrasives to the rotating shafts of bench-top motors, grinders, and buffers.

Sanding Sleeve Drums for Motors

Mount to the shaft on bench and pedestal grinders.

Buffing Wheel Spindles and Chucks

Twist a buffing wheel directly onto a spindle—centrifugal force holds the wheel in place as it turns.

Other Shaft Adapters

Socket Adapters and Extensions

Adapt sockets to fit wrenches of different drive sizes or change how you access and turn the fastener. Add an extension for longer reach.

Left-Hand to Right-Hand
Male Thread Adapters

Threaded Rod Eye Nuts

Add an eye nut to threaded rod to hang the rod from rings, hooks, and hangers.

U-Joint Covers

Protect U-joints to keep lubricants in and contaminants out.

Terms and Conditions and Privacy Policy

Power Transmission

Shaft Collars and Couplings

Bushings for Sprockets and Pulleys

Ball Joint Rod End Inserts

Tool Holding for Grinding, Sanding, and Polishing

Motor Shaft Arbors forAbrasive Wheels and Brushes

Sanding Sleeve Drums for Motors

Buffing Wheel Spindles and Chucks

Other Shaft Adapters

Socket Adapters and Extensions

Left-Hand to Right-HandMale Thread Adapters

Threaded Rod Eye Nuts

U-Joint Covers

Motor Shaft Arbors for
Abrasive Wheels and Brushes

Left-Hand to Right-Hand
Male Thread Adapters