Mudguard, Plain Washer, Nylon Washers, Full Washers, Form A
Ceramic, A2/304 Stainless Steel, Fibre, TPE, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 13 mm, 2.25 mm, 4.36 mm, 6.5 mm
1.4 mm, 5.8 mm, 0.16 mm, 1.8 mm, 2.5 mm
M16, M24, M5 (Form A), M10, M2.5
BS 4320B, DIN 127B, BS 4320:1968, DIN 125A, DIN 6797J