Crinkle, Countersunk Washer, Cup, Full Washers, Form A
TPE, Ceramic, Vulcanised Fibre, Steel, Copper
4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
10.5 mm, 14 mm, 16.2 mm, 5 mm, 6.5 mm
0.7 mm, 0.6 mm, 2 mm, 2.5 mm, 0.8 mm
M2, M24, M5 (Form A), M16, M3
DIN 125A, BS 4320:1968, ASME B18.8.1, ASME B18.21.1, BS 4320B