External Tooth, Nylon Washers, Plain Washer, Full Washers, Form A
Fibre, TPE, Nylon, Steel, Stainless Steel
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
6.4 mm, 16.2 mm, 2.25 mm, 5 mm, 6.5 mm
0.4 mm, 1.6 mm, 0.5 mm, 1.5 mm, 2.5 mm
M3 (Form A), M6, M2, M5 (Form A), M12
BS 4320B, DIN 7603, DIN 6797J, BS 4320G, DIN 7603A