Crinkle, Cup, Plain Washer, Full Washers, Form A
Brass, Fibre, TPE, Vulcanised Fibre, Steel
8.8 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
6.4 mm, 5.3 mm, 2.25 mm, 13 mm, 6.5 mm
0.5 mm, 1.4 mm, 5.8 mm, 3.5 mm, 0.7 mm
M3 (Form A), M12, M6, M10, M5 (Form A)
DIN 6797A, BS 4320:1968, BS 4320, DIN 6797J, BS 4320B