Mudguard, External Tooth, Internal Tooth, Full Washers, Form A
301 Stainless Steel, A2/304 Stainless Steel, Fibre, TPE, Brass
12.5 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
16.2 mm, 5.36 mm, 2.25 mm, 13 mm, 6.5 mm
0.7 mm, 0.4 mm, 3.5 mm, 2.5 mm, 0.28 mm
M6 (Form A), M16, M6, M3 (Form A), M5 (Form A)
DIN 6797A, BS 4463, ASME B18.22.1
ASTM F844, BS 4320B, ASME B18.8.1