Crinkle, Tap Washer, Plain Washer, Full Washers, Form A
Brass, Ceramic, Vulcanised Fibre, Stainless Steel, Copper
24 mm, 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
6.48 mm, 4.36 mm, 4.85 mm, 2.2 mm, 6.5 mm
1.4 mm, 5.8 mm, 0.5 mm, 1.8 mm, 2.5 mm
M24, M5 (Form A), M4, M5, M6
DIN 7980, BS 4320:1968, ASME B18.8.1, DIN 7603A, BS 4320B