Cup, Mudguard, Crinkle, Full Washers, Form A
301 Stainless Steel, Steel, TPE, Nylon, Copper
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 17 mm, 4.36 mm, 6.5 mm
1.8 mm, 3 mm, 8.1 mm, 1.6 mm, 0.28 mm
M8, M3 (Form A), M6, M5 (Form A), M2
ASME B18.22.1
ASTM F844, ASME B18.8.1, BS 4320B, DIN 7603A, ASME B18.21.1