Crinkle, Internal Tooth, Cup, Full Washers, Form A
Fibre, 301 Stainless Steel, Stainless Steel, TPE, Steel
12 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 17 mm, 2.1 mm, 2.25 mm, 6.5 mm
0.28 mm, 8.1 mm, 2.5 mm, 0.3 mm, 3.5 mm
M8, M5, M24, M5 (Form A), M6
BS 4320, BS 4320:1968, DIN 6798J, BS 4320B, BS 4463