Internal Tooth, Crinkle, Cup, Full Washers, Form A
Ceramic, Vulcanised Fibre, Copper, Stainless Steel, Steel
3/4" X 3" X 1/4", 15.5 mm, 12 mm, 6.9 mm, 11.88 mm
12.2 mm, 10.5 mm, 2.25 mm, 4.36 mm, 6.5 mm
0.7 mm, 0.28 mm, 2.5 mm, 0.3 mm, 1.6 mm
M3 (Form A), M20, M24, M5 (Form A), M6
DIN 6798J, DIN 7603A, ASME B18.22.1 ASTM
F844, BS 4320G, BS 4320B