Cup, Mudguard, Crinkle, Full Washers, Form A
Fibre, Steel, 301 Stainless Steel, TPE, Copper
30 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
16.2 mm, 5.36 mm, 2.25 mm, 4.36 mm, 6.5 mm
1.8 mm, 0.7 mm, 8.1 mm, 2.2 mm, 0.28 mm
M5, M3 (Form A), M3, M2, M5 (Form A)
BS 4320, DIN 6797J, BS 4320B, BS 4320G, DIN 125A