Internal Tooth, Lock Washer, Mudguard, Full Washers, Form A
Fibre, TPE, Copper, Nylon, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 12.2 mm, 16.2 mm, 6.5 mm
1.1 mm, 2.5 mm, 1 mm, 3.5 mm, 0.16 mm
M3.5, M3 (Form A), M10, M3, M5 (Form A)
ASME B18.21.1, ASME B18.8.1, DIN 7603A, BS 4320B, BS 4463