Cup, Lock Washer, Nylon Washers, Full Washers, Form A
TPE, Brass, Stainless Steel, Nylon, Copper
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
8.4 mm, 2.6 mm, 4.85 mm, 16.2 mm, 6.5 mm
0.5 mm, 1 mm, 3.5 mm, 0.16 mm, 0.28 mm
M20, M5, M5 (Form A), M2.5, M2
DIN 6798J, BS 4320B, DIN 125A, BS 4320, ASME B18.8.1