Rigid Shaft Couplings | McMaster-Carr

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System of Measurement

Shaft Diameter

Material

Construction

Shaft Type

Round with Support Rail

Shaft Mount Type

Width

Clamping Screw Material

Keyway Width

Overall Length

Number of Clamping Screws Included

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

RoHS

Compliant

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

Exempt

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

Performance

Clamping Screw Type

Finish

Length

Keyway Depth

For Rotary Motion

Maximum Torque

Less than 1,000 in·lbf

1,000 in·lbf to 9,999 in·lbf

10,000 in·lbf to 19,999 in·lbf

20,000 in·lbf to 29,999 in·lbf

30,000 in·lbf or greater

Set Screw Material

3,472 Products

Rigid Shaft Couplings

Set Screw Rigid Shaft Couplings

Set screws bite into the shaft to hold your coupling in place

93 products

Clamping Rigid Shaft Couplings

Grip evenly around your shaft with more holding power than set screw couplings without marring it

135 products

Two-Piece Rigid Shaft Couplings

Install and remove without disconnecting shafts, motors, and other attached components

154 products

Machinable-Bore Clamping Rigid Shaft Couplings

Machine one end to fit the size of your shaft

64 products

Made-to-Order Two-Piece Rigid Shaft Couplings

When your shaft is not a common size, we'll make a custom coupling for you

70 products

Strong-Grip Clamping Rigid Shaft Couplings

Handle higher torque than most other couplings

21 products

Keyless Locking Rigid Shaft Couplings for Overhung Loads

Support the weight of a motor and transfer torque to another shaft at the same time

7 products

Three-Piece Rigid Shaft Couplings

Access one shaft without disconnecting the other

37 products

Two-Piece Rigid Shaft Coupling Bridges

Long enough to bridge the gap when your shafts are too far for standard couplings

17 products

Strong-Grip Two-Piece Rigid Shaft Couplings

Handle higher torque than most other couplings

20 products

Machinable-Bore Two-Piece Rigid Shaft Couplings

Machine the pilot hole to whatever size you need

8 products

Made-to-Order Clamping Rigid Shaft Couplings

When your shaft is not a common size, we'll make a custom coupling for you

70 products

Other Products

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

2,723 products

Clutches

Start and stop the transmission of power to machinery

4 products

Torque Limiters

Keep torque at or below a set limit to control tension or braking or protect machinery from overload

18 products

Joint Covers

Shield rotating joints to keep lubricants in and contaminants out

18 products

Rigid Shaft Coupling Covers

Shield rigid shaft couplings from dirt, water, and lubricants to extend their life

13 products