Chain Couplings | McMaster-Carr

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System of Measurement

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Number of Teeth

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Keyed

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For Shaft Misalignment Type

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Component

Length

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Weight Capacity

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

30,000 lb. to 99,999 lb.

100,000 lb. or greater

Finish

Corrosion-Resistant Coated

Electrocoated

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

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Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

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Maximum Rotation Speed

Inside Length

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1,691 Products

Power Transmission

Flexible Shaft Couplings

Connect two shafts that are misaligned to transfer rotary motion from one to the other

12 products

Torque Limiters

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

28 products

Roller Chain and Links

Mate with sprockets to transmit power between rotating shafts

449 products

Roller Chain Spring Clips

Replace the clips that secure ANSI roller chain connecting links

7 products

Inverted-Tooth Chain

Smoothly transmit power between rotating shafts with minimal vibration and noise

12 products

Inverted-Tooth Chain Pins

Replace the pins in your inverted-tooth chain or link two chains together

6 products

Leaf Chain Links

Attach the end of your chain to an anchor point or load with a clevis

4 products

Material Handling

Chain Connecting Links

Attach fittings to lift components or bind, tie down, and pull items

51 products

Quick Links

Join rope, cable, and chain to secure loads

116 products

Swivels

Rotate loads to keep rope and chain from twisting and knotting

70 products

Shackles

Lift, pull, and anchor heavy loads while keeping them secure with a pin

307 products

Chain Rings

Join chains and add connectors for binding, towing, and lifting

134 products

Ring Links

Bend, hammer, or twist closed to connect chain links and attach fittings

47 products

Bead Chain Links

Connect, loop, and mount lengths of bead chain

47 products

Webbing Rings

Add looped connection spots

63 products

Hitch Inserts

Fit into hitch receivers and secure with a hitch pin to create a connection for towing

3 products

Safety Equipment

Chain Barrier Links

Split in half and snap back together to securely connect lengths of chain

6 products

Communication

Tag Rings

Loop onto tags to attach them to lanyards, key rings, and other objects

72 products