External Tooth, Mudguard, Cup, Full Washers, Form A
Brass, 301 Stainless Steel, TPE, Steel, Copper
37 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
8.4 mm, 2.2 mm, 5.36 mm, 2.25 mm, 6.5 mm
3 mm, 8.1 mm, 0.4 mm, 0.3 mm, 0.28 mm
M6 (Form A), M16, M3 (Form A), M24, M5 (Form A)
DIN 127B, BS 4320, DIN 7980, BS 4320B, BS 4463