Spring, Crinkle, Cup, Full Washers, Form A
Stainless Steel, Brass, TPE, Nylon, Copper
24 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.6 mm, 4.85 mm, 2.1 mm, 17 mm, 6.5 mm
0.4 mm, 8.1 mm, 3.5 mm, 0.3 mm, 2.2 mm
M3 (Form A), M12, M2, M3, M5 (Form A)
BS 4320:1968, ASME B18.22.1
ASTM F844, BS 4320B, BS 4320, ASME B18.21.1