Cup, Lock Washer, Crinkle, Full Washers, Form A
Ceramic, Vulcanised Fibre, Nylon, Steel, Copper
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
17 mm, 2.1 mm, 2.2 mm, 2.25 mm, 6.5 mm
1.8 mm, 0.28 mm, 1.1 mm, 1.5 mm, 0.16 mm
M16, M12, M5 (Form A), M2, M10
DIN 7603A, DIN 6797J, BS 4320B, ASTM F436, ASME B18.22.1
ASTM F844