Mudguard, Internal Tooth, Plain Washer, Full Washers, Form A
Ceramic, TPE, Stainless Steel, Steel, Copper
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.6 mm, 4.85 mm, 3.2 mm, 2.25 mm, 6.5 mm
0.6 mm, 1.6 mm, 1.1 mm, 0.3 mm, 0.16 mm
M5, M16, M3 (Form A), M10, M5 (Form A)
DIN 7980, BS 4320:1968, ASME B18.22.1
ASTM F844, BS 4320, BS 4320B