Nylon Washers, Mudguard, Crinkle, Full Washers, Form A
301 Stainless Steel, Brass, TPE, Steel, Nylon
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 3.2 mm, 5.36 mm, 8 mm, 6.5 mm
1.8 mm, 0.28 mm, 8.1 mm, 0.4 mm, 0.8 mm
M5, M3 (Form A), M12, M24, M5 (Form A)
BS 4320, BS 4320B, DIN 7980, BS 4320:1968, DIN 7603A