Spring, Cup, Crinkle, Full Washers, Form A
Ceramic, TPE, Steel, Copper, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
12.2 mm, 6.4 mm, 13 mm, 4.36 mm, 6.5 mm
0.6 mm, 1.8 mm, 1.1 mm, 1 mm, 3.5 mm
M6, M5 (Form A), M4, M3, M10
DIN 127B, BS 4320G, ASME B18.21.1, BS 4320B, DIN 7603A