Lock Washer, Tap Washer, Cup, Full Washers, Form A
Brass, Nylon, Steel, TPE, Stainless Steel
8.8 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.25 mm, 17 mm, 4.36 mm, 8 mm, 6.5 mm
0.9 mm, 1.8 mm, 0.28 mm, 0.4 mm, 1.1 mm
M20, M10, M24, M16, M5 (Form A)
BS 4320:1968, DIN 127B, ASME B18.22.1
ASTM F844, DIN 7603A, BS 4320