Cup, Mudguard, Plain Washer, Full Washers, Form A
Ceramic, 301 Stainless Steel, Stainless Steel, Nylon, Brass
7.99 mm, 15.5 mm, 12 mm, 6.9 mm, 11.88 mm
13 mm, 21 mm, 4.36 mm, 8 mm, 6.5 mm
1.8 mm, 2.5 mm, 1.5 mm, 2.2 mm, 0.28 mm
M3 (Form A), M5 (Form A), M16, M2.5, M10
BS 4463, DIN 6797J, ASME B18.8.1, ASME B18.22.1
ASTM F844, BS 4320B