Spring, Mudguard, Crinkle, Full Washers, Form A
Brass, TPE, Ceramic, Stainless Steel, Copper
7.99 mm, 15.5 mm, 12 mm, 6.9 mm, 11.88 mm
4.85 mm, 3.2 mm, 2.2 mm, 2.25 mm, 6.5 mm
2.5 mm, 1.8 mm, 0.28 mm, 0.7 mm, 8.1 mm
M3 (Form A), M10, M6, M24, M5 (Form A)
DIN 127B, BS 4463, DIN 6797J, BS 4320, BS 4320G