Lock Washer, Cup, Full Washers, Flat Washers, Form A
Fibre, Nylon, TPE, Stainless Steel, Copper
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 3.2 mm, 2.1 mm, 2.25 mm, 6.5 mm
0.4 mm, 0.8 mm, 1.1 mm, 1 mm, 2.2 mm
M3 (Form A), M2, M5 (Form A), M20, M4
DIN 7603, ASME B18.22.1
ASTM F844, DIN 6797J, BS 4320, DIN 7603A