Plain Washer, External Tooth, Cup, Full Washers, Form A
Brass, Fibre, Nylon, TPE, Steel
37 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
5.3 mm, 12.5 mm, 2.25 mm, 13 mm, 6.5 mm
0.6 mm, 8.1 mm, 2.5 mm, 1.1 mm, 0.28 mm
M3 (Form A), M24, M5 (Form A), M12, M2
BS 4320B, DIN 7980, BS 4320G, BS 4463, ASME B18.21.1