Mudguard, Lock Washer, Plain Washer, Full Washers, Form A
Steel, A2/304 Stainless Steel, Fibre, Brass, TPE
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 12.2 mm, 2.25 mm, 13 mm, 6.5 mm
0.8 mm, 2.2 mm, 3.5 mm, 0.28 mm, 1 mm
M3 (Form A), M2, M6, M5 (Form A), M2.5
DIN 7980, DIN 7603A, BS 4320B, BS 4320:1968, BS 4320G