Spring, Crinkle, External Tooth, Full Washers, Form A
Stainless Steel, 301 Stainless Steel, TPE, Brass, Vulcanised Fibre
3/8", 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 8.4 mm, 5.36 mm, 6.5 mm
0.5 mm, 8.1 mm, 1.6 mm, 2.5 mm, 3 mm
M16, M3 (Form A), M2, M20, M5 (Form A)
BS 4320:1968, DIN 7980, ASME B18.21.1, BS 4320B, BS 4320