Lock Washer, Spring, Cup, Full Washers, Form A
Stainless Steel, 301 Stainless Steel, Steel, Brass, Copper
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
3.2 mm, 2.1 mm, 13 mm, 5 mm, 6.5 mm
0.28 mm, 8.1 mm, 2.5 mm, 1.1 mm, 1 mm
M16, M20, M24, M5 (Form A), M2.5
DIN 6797J, DIN 7980, ASME B18.22.1
ASTM F844, ASME B18.21.1, BS 4320B