Cup, Spring, Crinkle, Full Washers, Form A
Ceramic, Nylon, Steel, Stainless Steel, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
13 mm, 2.2 mm, 5.36 mm, 2.25 mm, 6.5 mm
1.8 mm, 3.5 mm, 0.6 mm, 8.1 mm, 0.8 mm
M3 (Form A), M3, M24, M5 (Form A), M6
BS 4320, ASTM F436, ASME B18.21.1, DIN 7603A, BS 4320B