Cup, External Tooth, Crinkle, Full Washers, Form A
301 Stainless Steel, Vulcanised Fibre, TPE, Stainless Steel, Brass
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
5.3 mm, 3.2 mm, 5.36 mm, 8 mm, 6.5 mm
0.4 mm, 8.1 mm, 0.5 mm, 1.1 mm, 2 mm
M24, M5 (Form A), M6, M2, M20
BS 4320, DIN 7603A, DIN 6797J, BS 4320G, BS 4320B