Cup, External Tooth, Mudguard, Full Washers, Form A
Brass, Fibre, TPE, Steel, Nylon
24.4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
5 mm, 4.85 mm, 21 mm, 8.4 mm, 6.5 mm
0.16 mm, 0.4 mm, 1.8 mm, 3 mm, 8.1 mm
M3 (Form A), M20, M12, M2, M5 (Form A)
DIN 7980, DIN 7603, BS 4463, ASME B18.22.1
ASTM F844, BS 4320B