Internal Tooth, Lock Washer, Full Washers, Flat Washers, Form A
Fibre, TPE, Steel, Copper, Brass
37 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
10.5 mm, 17 mm, 5.36 mm, 2.25 mm, 6.5 mm
3.5 mm, 8.1 mm, 1.6 mm, 1.1 mm, 0.3 mm
M8, M3 (Form A), M24, M5 (Form A), M6
BS 4320B, DIN 127B, BS 4463, DIN 6797J, ASME B18.8.1