Flange Nuts

Serrated Flange Locknuts have serrations on the underside of the flange preventing the nuts from loosening. Also known as collar nuts, they do not require a washer. Instead, the flange spreads the holding force across a wide area.
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Thread mm
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P.Code Material Thread
mm
Thread Pitch
mm
W-Width
mm
F-Flange Width
mm
T-Flange Thickness
mm
H-Height
mm
15030 Mild Steel 5mm M5 0.8 8 11.5 1.5 5
15031 Mild Steel 6mm M6 1 10 12.5 2 5.5
15032 Mild Steel 8mm M8 1.25 12 15.5 2.2 7
15033 Mild Steel 10mm M10 1.5 14 19.5 3 9
15028 Mild Steel 3mm M3 0.5 5.5 7.7 1 3.7