Mudguard, Lock Washer, Full Washers, Flat Washers, Form A
Fibre, Steel, 301 Stainless Steel, TPE, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.36 mm, 4.85 mm, 21 mm, 3.2 mm, 6.5 mm
0.7 mm, 0.6 mm, 0.16 mm, 8.1 mm, 1.2 mm
M5 (Form A), M12, M4, M10, M2
ASME B18.21.1, DIN 7980, ASME B18.8.1, DIN 7603A, BS 4320B