Insulating Flat Washers | McMaster-Carr

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About Washers

Ceramic and Mica Washers

These washers withstand high temperatures and are good electrical insulators.

Plastic Washers

Plastic washers resist moisture, chemicals, and friction and have good electrical insulation properties.

Cushioning Washers

Cushion joints to damp vibration and protect from wear.

Washer Assortments

Includes assortments with general purpose, oversized, USS, and SAE washers.

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About Washers

Fasteners

Ceramic and Mica Washers

Plastic Washers

Cushioning Washers

Washer Assortments