18-8 Stainless Steel Cotter Pins | McMaster-Carr

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278 Products

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Cotter Pins

Cotter Pins

Bend the prongs to secure the ends of clevis pins and shafts

Hairpin Cotter Pins

Hairpin Cotter Pins

Push into a hole for simple one-step installation

Long-Life Wire-Snap Cotter Pins

Long-Life Wire-Snap Cotter Pins

Maintain tension for repeated use with parts you need to disassemble frequently

Long-Life Hairpin Cotter Pins

Long-Life Hairpin Cotter Pins

Maintain tension for repeated use and install with a simple push

Wraparound Cotter Pins

Wraparound Cotter Pins

The most vibration-resistant reusable pins we offer

Cotter Pin Assortments

Cotter Pin Assortments

Bend the prongs to secure clevis pins and shafts with a variety of hole sizes

Hairpin Clips

An alternative to retaining rings—snap into a groove instead of pushing through a hole

Coiled Cotter Pins

Coiled Cotter Pins

Free of sharp ends that can snag and cut surrounding material

Wire-Snap Cotter Pins

Wire-Snap Cotter Pins

Quick to open and close for parts you need to disassemble frequently

Hairpin Cotter Pin Assortments

Hairpin Cotter Pin Assortments

A range of sizes that push into a hole for simple one-step installation

Mil. Spec. Cotter Pins

Mil. Spec. Cotter Pins

Manufactured and tested to strict U.S. military standards

Hairpin Clip Assortments

Hairpin Clip Assortments

A variety of sizes that snap into a groove instead of inserting through a hole

Other Products

Linch Pins

Slide into holes on clevis pins and shafts and snap down the locking ring so parts won’t fall off

Split Rings

Secure clevis pins, connect components, or add a pull handle; also known as key rings

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