Lock Washer, Plain Washer, Full Washers, Flat Washers, Form A
Fibre, Steel, 301 Stainless Steel, TPE, Copper
3/4" X 3" X 1/4", 15.5 mm, 12 mm, 6.9 mm, 11.88 mm
21 mm, 12.2 mm, 25 mm, 13 mm, 6.5 mm
1.1 mm, 2.5 mm, 3.5 mm, 0.3 mm, 0.28 mm
M3, M24, M12, M5 (Form A), M2.5
BS 4320:1968, BS 4320, ASME B18.22.1
ASTM F844, ASME B18.21.1, BS 4320B