Spring, Mudguard, Plain Washer, Full Washers, Form A
301 Stainless Steel, Brass, TPE, Nylon, Steel
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 2.25 mm, 21 mm, 6.5 mm
1 mm, 1.5 mm, 2.5 mm, 0.5 mm, 2.2 mm
M12, M24, M5 (Form A), M10, M2
DIN 127B, BS 4320B, BS 4463, DIN 125A, BS 4320G