Crinkle, Internal Tooth, Mudguard, Full Washers, Form A
Fibre, Steel, Copper, Ceramic, TPE
37 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
5.25 mm, 4.85 mm, 5.3 mm, 4.36 mm, 6.5 mm
3.5 mm, 0.6 mm, 8.1 mm, 1 mm, 0.28 mm
M3 (Form A), M20, M8, M24, M5 (Form A)
DIN 9021, DIN 6797J, ASME B18.21.1, ASME B18.8.1, BS 4320B