Cup, Mudguard, Crinkle, Full Washers, Form A
Steel, Copper, TPE, Ceramic, Brass
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
5.3 mm, 4.85 mm, 17 mm, 4.36 mm, 6.5 mm
0.28 mm, 0.6 mm, 0.8 mm, 1.1 mm, 1.5 mm
M16, M24, M5 (Form A), M8, M6
BS 4320B, DIN 6797J, DIN 7980, BS 4320G, BS 4320