Cup, Mudguard, Lock Washer, Full Washers, Form A
Ceramic, Stainless Steel, TPE, Copper, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
10.5 mm, 13 mm, 2.25 mm, 4.36 mm, 6.5 mm
8.1 mm, 0.4 mm, 1.6 mm, 0.3 mm, 0.28 mm
M12, M24, M6, M5 (Form A), M5
BS 4320B, DIN 7980, ASME B18.22.1 ASTM
F844, BS 4320, BS 4463