Internal Tooth, Lock Washer, Mudguard, Full Washers, Form A
Fibre, Steel, Brass, TPE, Stainless Steel
3/4" X 3" X 1/4", 24 mm, 15.5 mm, 6.9 mm, 11.88 mm
5.3 mm, 12.5 mm, 16.2 mm, 2.25 mm, 6.5 mm
1.2 mm, 0.6 mm, 8.1 mm, 2.5 mm, 3.5 mm
M10, M6, M24, M12, M5 (Form A)
BS 4320G, ASME B18.8.1, ASME B18.22.1
ASTM F844, BS 4320B, BS 4463