Mudguard, Cup, Lock Washer, Full Washers, Form A
301 Stainless Steel, TPE, Nylon, Steel, Stainless Steel
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
6.48 mm, 4.85 mm, 14 mm, 4.36 mm, 6.5 mm
0.9 mm, 0.28 mm, 1.2 mm, 1.1 mm, 3.5 mm
M2.5, M3 (Form A), M24, M5 (Form A), M20
DIN 7603A, BS 4463, DIN 125A, ASME B18.22.1
ASTM F844, BS 4320B