Mudguard, Cup, Internal Tooth, Full Washers, Form A
301 Stainless Steel, Copper, TPE, Nylon, Brass
12.5 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
3.2 mm, 12.2 mm, 2.2 mm, 5.36 mm, 6.5 mm
3.5 mm, 8.1 mm, 1.1 mm, 1.5 mm, 0.28 mm
M3 (Form A), M16, M5, M24, M5 (Form A)
BS 4320B, BS 4463, BS 4320, DIN 6797J, DIN 125A