Mudguard, Cup, Internal Tooth, Full Washers, Form A
Fibre, Steel, TPE, Ceramic, Brass
24.4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 13 mm, 2.25 mm, 6.5 mm
1.4 mm, 5.8 mm, 0.7 mm, 2.5 mm, 3.5 mm
M24, M5 (Form A), M12, M20, M5
BS 4463, DIN 125A, ASME B18.22.1
ASTM F844, BS 4320, BS 4320B