External Tooth, Mudguard, Plain Washer, Full Washers, Form A
Copper, Vulcanised Fibre, TPE, Stainless Steel, Steel
7/16", 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
16.2 mm, 5.36 mm, 2.25 mm, 17 mm, 6.5 mm
8.1 mm, 0.5 mm, 1.6 mm, 0.8 mm, 3.5 mm
M3 (Form A), M10, M16, M24, M5 (Form A)
DIN 127B, DIN 6797J, ASME B18.21.1, DIN 7603A, BS 4320B