Countersunk Washer, Plain Washer, Crinkle, Full Washers, Form A
A2/304 Stainless Steel, Fibre, TPE, Steel, Brass
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, 2.25 mm, 4.36 mm, 6.5 mm
0.8 mm, 0.5 mm, 8.1 mm, 0.16 mm, 0.28 mm
M3 (Form A), M5 (Form A), M20, M10, M2
BS 4320B, DIN 7980, BS 4320:1968, BS 4320, DIN 6797J