Internal Tooth, Nylon Washers, Mudguard, Full Washers, Form A
Steel, Ceramic, Stainless Steel, TPE, Copper
37 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.2 mm, 16.2 mm, 2.25 mm, 13 mm, 6.5 mm
5.8 mm, 1 mm, 0.6 mm, 1.8 mm, 3.5 mm
M3 (Form A), M8, M5, M5 (Form A), M6
DIN 6797A, BS 4320B, DIN 7980, ASME B18.21.1, ASME B18.8.1