Mudguard, Spring, Plain Washer, Full Washers, Form A
Stainless Steel, Copper, TPE, Ceramic, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
17 mm, 2.1 mm, 13 mm, 2.25 mm, 6.5 mm
0.4 mm, 0.6 mm, 8.1 mm, 2.5 mm, 0.28 mm
M16, M3 (Form A), M3, M5 (Form A), M2
ASME B18.22.1 ASTM
F844, BS 4320B, BS 4320:1968, DIN 127B, DIN 7980