Spring, Cup, Lock Washer, Full Washers, Form A
Fibre, Steel, Copper, TPE, Brass
24 mm, 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
6 mm, 10.5 mm, 12.5 mm, 2.25 mm, 6.5 mm
1.8 mm, 3.5 mm, 8.1 mm, 2 mm, 0.28 mm
M20, M3 (Form A), M24, M5 (Form A), M16
DIN 7980, BS 4320B, BS 4320:1968, ASME B18.21.1, BS 4320