External Tooth, Mudguard, Lock Washer, Full Washers, Form A
Steel, Stainless Steel, Fibre, TPE, Brass
9.09 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
17 mm, 4.85 mm, 2.1 mm, 4.36 mm, 6.5 mm
0.6 mm, 2.5 mm, 1.1 mm, 1.5 mm, 0.28 mm
M2, M24, M5 (Form A), M10, M2.5
BS 4320, BS 4320B, DIN 7980, DIN 6797J, ASME B18.21.1