Mudguard, Spring, Crinkle, Full Washers, Form A
Stainless Steel, Ceramic, Vulcanised Fibre, Nylon, Brass
9.09 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 16.2 mm, 2.25 mm, 6.5 mm
0.6 mm, 8.1 mm, 1.5 mm, 0.3 mm, 0.28 mm
M3 (Form A), M20, M24, M5 (Form A), M2
DIN 125A, BS 4320, DIN 6797A, ASME B18.21.1, BS 4320B