Plain Washer, Mudguard, Cup, Full Washers, Form A
Brass, Steel, TPE, Stainless Steel, 301 Stainless Steel
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
6.48 mm, 4.85 mm, 13 mm, 2.25 mm, 6.5 mm
1.6 mm, 1 mm, 8.1 mm, 1.2 mm, 0.8 mm
M12, M6, M2, M5 (Form A), M3
ASME B18.8.1, DIN 125A, BS 4320B, DIN 7603A, ASME B18.21.1