Chain Couplings | McMaster-Carr

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System of Measurement

Shaft Diameter

Number of Teeth

Shaft Type

Material

Stainless Steel

For Shaft Misalignment Type

Roller Chain Trade Number

Keyway Width

Thickness

Keyway Depth

Weight Capacity

Less than 10,000 lb.

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

Maximum Torque

Inside Length

Strand Type

Inside Width

Application

Not for Lifting

Finish

Corrosion-Resistant Coated

Hot-Dipped Galvanized

Length

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

RoHS

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Pin Diameter

Component

Opening Width

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1,672 Products

Power Transmission

Shaft Couplings

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

Torque Limiters

Torque Limiters

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

Roller Chain and Links

Roller Chain and Links

Mate with sprockets to transmit power between rotating shafts

Roller Chain Spring Clips

Roller Chain Spring Clips

Replace the clips that secure ANSI roller chain connecting links

Inverted-Tooth Chain

Inverted-Tooth Chain

Smoothly transmit power between rotating shafts with minimal vibration and noise

Inverted-Tooth Chain Pins

Inverted-Tooth Chain Pins

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

Leaf Chain Links

Leaf Chain Links

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

Material Handling

Chain Connecting Links

Chain Connecting Links

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

Chain Rings

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

Quick Links

Join rope, cable, and chain to secure loads

Swivels

Rotate loads to keep rope and chain from twisting and knotting

Shackles

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

Ring Links

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

Bead Chain Links

Bead Chain Links

Connect, loop, and mount lengths of bead chain

Webbing Rings

Add looped connection spots

Hitch Inserts

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

Safety Equipment

Chain Barrier Links

Chain Barrier Links

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

Communication

Tag Rings

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)