External Tooth, Crinkle, Cup, Full Washers, Form A
A2/304 Stainless Steel, Brass, Fibre, 301 Stainless Steel, TPE
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
25 mm, 6.4 mm, 16.2 mm, 21 mm, 6.5 mm
1.8 mm, 0.28 mm, 1.1 mm, 0.3 mm, 0.16 mm
M6 (Form A), M2.5, M3 (Form A), M5 (Form A), M3
BS 4320, DIN 6797J, ASME B18.21.1, ASME B18.8.1, BS 4320B