External Tooth, Mudguard, Crinkle, Full Washers, Form A
Ceramic, A2/304 Stainless Steel, Brass, Fibre, TPE
4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
6 mm, 8.4 mm, 10.5 mm, 25 mm, 6.5 mm
1.8 mm, 3.5 mm, 1.6 mm, 8.1 mm, 0.28 mm
M4, M3 (Form A), M24, M5 (Form A), M2.5
BS 4320B, DIN 127B, ASME B18.21.1, BS 4320, ASME B18.22.1
ASTM F844