Internal Tooth, Mudguard, Crinkle, Full Washers, Form A
Fibre, TPE, Brass, Copper, Nylon
3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 20 mm, 11.88 mm
6.4 mm, 3.2 mm, 12.2 mm, 5.36 mm, 6.5 mm
0.28 mm, 8.1 mm, 1.2 mm, 0.8 mm, 0.5 mm
M6 (Form A), M6, M3 (Form A), M16, M5 (Form A)
BS 4320, BS 4320G, DIN 6797J, BS 4320B, BS 4463