External Tooth, Cup, Lock Washer, Full Washers, Form A
Steel, Fibre, Stainless Steel, TPE, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 3.2 mm, 10.5 mm, 5.36 mm, 6.5 mm
0.4 mm, 0.28 mm, 1.5 mm, 2.5 mm, 0.8 mm
M20, M3 (Form A), M5 (Form A), M10, M2
BS 4320B, DIN 127B, ASME B18.22.1 ASTM
F844, DIN 7980, ASME B18.21.1