Cup, Lock Washer, Plain Washer, Full Washers, Form A
Steel, Vulcanised Fibre, Copper, Nylon, Brass
3/4" X 3" X 1/4", 24 mm, 15.5 mm, 6.9 mm, 11.88 mm
5.3 mm, 14 mm, 17 mm, 5 mm, 6.5 mm
1.8 mm, 8.1 mm, 0.5 mm, 1.1 mm, 3.5 mm
M6, M3 (Form A), M16, M12, M5 (Form A)
DIN 127B, DIN 7603, DIN 6797J, ASME B18.8.1, BS 4320B