External Tooth, Nylon Washers, Crinkle, Full Washers, Form A
A2/304 Stainless Steel, Brass, Fibre, TPE, Steel
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
12.2 mm, 14 mm, 16.2 mm, 6 mm, 6.5 mm
5.8 mm, 0.6 mm, 0.16 mm, 3 mm, 0.28 mm
M20, M24, M12, M5 (Form A), M5
DIN 7603A, DIN 6797A, BS 4320B, DIN 6798J, ASME B18.8.1