Mudguard, Cup, Plain Washer, Full Washers, Form A
Nylon, Steel, Fibre, TPE, Brass
7.99 mm, 15.5 mm, 12 mm, 6.9 mm, 11.88 mm
13 mm, 10.5 mm, 16.2 mm, 2.25 mm, 6.5 mm
1.45 mm, 1.4 mm, 5.8 mm, 0.4 mm, 3.5 mm
M3 (Form A), M20, M6, M5 (Form A), M5
DIN 127B, BS 4320, BS 4320B, BS 4320:1968, DIN 125A