Internal Tooth, Mudguard, Crinkle, Full Washers, Form A
Fibre, Steel, TPE, Ceramic, Stainless Steel
3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 10 mm, 11.88 mm
5.3 mm, 4.85 mm, 5.36 mm, 2.25 mm, 6.5 mm
0.6 mm, 0.4 mm, 0.7 mm, 2.5 mm, 0.28 mm
M3 (Form A), M10, M12, M5 (Form A), M3
ASME B18.8.1, DIN 7603A, BS 4320B, BS 4320, ASME B18.21.1