Cup, Spring, Lock Washer, Full Washers, Form A
Steel, Fibre, Stainless Steel, TPE, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
10.5 mm, 5.36 mm, 2.25 mm, 17 mm, 6.5 mm
1.8 mm, 0.28 mm, 1.6 mm, 8.1 mm, 2 mm
M24, M5, M5 (Form A), M16, M10
DIN 127B, ASME B18.22.1
ASTM F844, ASME B18.21.1, BS 4320B, BS 4463