Spring, Plain Washer, Mudguard, Full Washers, Form A
Brass, TPE, Vulcanised Fibre, Nylon, Steel
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
4.36 mm, 17 mm, 4.85 mm, 2.25 mm, 6.5 mm
1.8 mm, 3.5 mm, 0.5 mm, 0.16 mm, 0.28 mm
M20, M24, M5 (Form A), M10, M8
BS 4320:1968, DIN 6798J, ASME B18.22.1
ASTM F844, BS 4320G, ASME B18.21.1