Lock Washer, Cup, External Tooth, Full Washers, Form A
301 Stainless Steel, Copper, TPE, Steel, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
12.5 mm, 5 mm, 5.36 mm, 2.25 mm, 6.5 mm
8.1 mm, 1.2 mm, 0.8 mm, 1.1 mm, 0.16 mm
M16, M24, M5 (Form A), M2.5, M2
DIN 6797A, BS 4463, DIN 7980, ASME B18.21.1, BS 4320B