Spring, Cup, Crinkle, Full Washers, Form A
Fibre, Steel, 301 Stainless Steel, Vulcanised Fibre, TPE
7.99 mm, 15.5 mm, 12 mm, 6.9 mm, 11.88 mm
5.36 mm, 17 mm, 13 mm, 21 mm, 6.5 mm
5.8 mm, 0.6 mm, 1.1 mm, 1.6 mm, 0.28 mm
M16, M3 (Form A), M10, M5 (Form A), M2
ASME B18.21.1, DIN 7603A, BS 4320B, BS 4463, DIN 7980