Type A Flat Washers | McMaster-Carr

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Fasteners

SAE Washers

SAE washers generally have a smaller ID and OD than USS washers.

USS Washers

USS washers generally have a larger ID and OD than SAE washers.

General Purpose Washers

Use these washers to evenly distribute the load under bolt or screw heads and nuts when fastening. They can also act as spacers.

Oversized Washers

Compared to our general purpose washers, these have exaggerated diameters and/or thicknesses for covering oversized holes or for use as spacers and levelers.

Washers with Material Certification

Washers with Material Certification

These washers come with a traceable lot number and a physical and chemical test report.

USS Washer Assortments

USS Washer Assortments

USS washers generally have a larger ID and OD than SAE washers.

Washer Assortments

Washer Assortments

SAE Washer Assortments

SAE Washer Assortments

SAE washers generally have a smaller ID and OD than USS washers.

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