Mudguard, External Tooth, Crinkle, Full Washers, Form A
Ceramic, Vulcanised Fibre, Copper, TPE, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
10.5 mm, 13 mm, 2.25 mm, 4.36 mm, 6.5 mm
8.1 mm, 0.4 mm, 1.1 mm, 0.16 mm, 0.28 mm
M24, M5 (Form A), M12, M20, M5
BS 4320, DIN 127B, BS 4320:1968, ASME B18.8.1, BS 4320B