Mudguard, Cup, Internal Tooth, Full Washers, Form A
301 Stainless Steel, TPE, Stainless Steel, Copper, Brass
30 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 3.2 mm, 25 mm, 4.36 mm, 6.5 mm
1.2 mm, 2.5 mm, 1 mm, 2.2 mm, 0.28 mm
M4, M16, M3 (Form A), M2, M5 (Form A)
BS 4320:1968, DIN 6798J, BS 4320, ASME B18.21.1, BS 4463