Mudguard, External Tooth, Internal Tooth, Full Washers, Form A
A2/304 Stainless Steel, Fibre, TPE, Steel, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 5.3 mm, 2.25 mm, 6 mm, 6.5 mm
1.8 mm, 0.6 mm, 2.5 mm, 1 mm, 0.16 mm
M16, M3 (Form A), M5 (Form A), M5, M2
BS 4320, DIN 7603A, BS 4320:1968, DIN 7980, BS 4320B