External Tooth, Mudguard, Crinkle, Full Washers, Form A
TPE, Steel, Nylon, Brass, Copper
44 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
6 mm, 12.2 mm, 5.36 mm, 2.25 mm, 6.5 mm
0.6 mm, 1.8 mm, 0.28 mm, 1.5 mm, 1.2 mm
M16, M5 (Form A), M5, M20, M10
ASME B18.8.1, ASME B18.21.1, ASME B18.22.1
ASTM F844, BS 4320B, DIN 7603A