ASME B18.22.1 — Plain Washers

ASME B18.22.1 defines inch-series plain (flat) washers — the USS and SAE series — including inside and outside diameters and thickness.

What It Covers

• USS (wide) washer series
• SAE (narrow) washer series
• Dimensions and tolerances

Related Fasteners

• Flat Washer
• Fender Washer
• Structural Washer
• Bonded Sealing Washer