Internal Tooth, Cup, Lock Washer, Full Washers, Form A
Fibre, Nylon, Steel, TPE, Stainless Steel
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 11 mm, 12.2 mm, 12.5 mm, 6.5 mm
8.1 mm, 0.4 mm, 1.2 mm, 1.1 mm, 1.6 mm
M2.5, M3 (Form A), M6, M5 (Form A), M20
BS 4320G, ASME B18.21.1, BS 4320B, DIN 7603A, BS 4463