Mudguard, Crinkle, Nylon Washers, Full Washers, Form A
Brass, Ceramic, 301 Stainless Steel, TPE, Nylon
12 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
12.5 mm, 16.2 mm, 4.36 mm, 8 mm, 6.5 mm
1.5 mm, 1.8 mm, 3 mm, 8.1 mm, 1.1 mm
M3 (Form A), M24, M5 (Form A), M12, M6
BS 4320:1968, DIN 127B, ASME B18.8.1, BS 4320G, BS 4463