Cup, Mudguard, Crinkle, Full Washers, Form A
Steel, Brass, Vulcanised Fibre, Copper, TPE
9.09 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 10.5 mm, 12.5 mm, 5.36 mm, 6.5 mm
1.2 mm, 0.9 mm, 1.8 mm, 3.5 mm, 8.1 mm
M2.5, M3 (Form A), M5 (Form A), M2, M5
DIN 6797J, DIN 6797A, BS 4320B, DIN 127B, DIN 125A