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5/16-18 Serrated Flange Nut Zinc Plated. This product is a hex nut with a serrated bearing surface beneath the flange that displaces material on the mating surface when the nut is torqued down, forming a connection that resists loosening. These nuts will often see use in applications where vibration is an issue, like on vehicles or industrial machines.
5/16-18 Serrated Flange Nut Zinc Plated
$0.07
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Flexible returns