Cup, Nylon Washers, Mudguard, Full Washers, Form A
Brass, Steel, Vulcanised Fibre, Stainless Steel, TPE
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
17 mm, 4.85 mm, 16.2 mm, 2.25 mm, 6.5 mm
1.6 mm, 3.5 mm, 0.3 mm, 2.5 mm, 0.28 mm
M3 (Form A), M6, M24, M5 (Form A), M2
BS 4320:1968, DIN 7603, BS 4463, ASME B18.22.1
ASTM F844, BS 4320B