Lock Washer, External Tooth, Plain Washer, Full Washers, Form A
Brass, Fibre, Steel, TPE, Copper
12 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
10.5 mm, 6.4 mm, 5.3 mm, 13 mm, 6.5 mm
1.8 mm, 0.4 mm, 0.5 mm, 0.3 mm, 2.5 mm
M3 (Form A), M2, M5, M5 (Form A), M12
BS 4320, ASME B18.22.1 ASTM
F844, DIN 7980, ASME B18.21.1, DIN 7603A