Mudguard, Nylon Washers, Flat Washers, Full Washers, Form A
Fibre, TPE, Ceramic, Stainless Steel, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
8.4 mm, 10.5 mm, 2.25 mm, 13 mm, 6.5 mm
3.5 mm, 0.28 mm, 8.1 mm, 0.3 mm, 0.16 mm
M20, M3, M24, M2, M5 (Form A)
ASME B18.8.1, ASME B18.21.1, DIN 125A, DIN 6797J, BS 4320