Plain Washer, Cup, Mudguard, Full Washers, Form A
Brass, Vulcanised Fibre, Steel, TPE, Nylon
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 5.3 mm, 14 mm, 2.25 mm, 6.5 mm
1.8 mm, 3.5 mm, 0.28 mm, 8.1 mm, 1.6 mm
M6, M3 (Form A), M16, M12, M5 (Form A)
BS 4320B, BS 4320:1968, BS 4463, ASME B18.22.1
ASTM F844, DIN 7980