External Tooth, Plain Washer, Cup, Full Washers, Form A
Fibre, Steel, Ceramic, TPE, Stainless Steel
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
3.2 mm, 4.85 mm, 6.4 mm, 5.3 mm, 6.5 mm
0.4 mm, 1.8 mm, 2.5 mm, 1.1 mm, 3.5 mm
M24, M2, M5 (Form A), M12, M4
ASME B18.8.1, BS 4320G, BS 4320B, DIN 7603A, BS 4320