Lock Washer, Cup, Internal Tooth, Full Washers, Form A
301 Stainless Steel, Steel, Copper, TPE, Brass
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 5.36 mm, 13 mm, 4.36 mm, 6.5 mm
0.5 mm, 1 mm, 0.8 mm, 0.3 mm, 0.28 mm
M3 (Form A), M2, M5 (Form A), M4, M6
DIN 7980, BS 4320G, DIN 127B, DIN 125A, ASME B18.8.1