Hex Flange Nut, National Fine Hardened/Serrated

Hex Flange Nut, National Fine Hardened/Serrated

Porteous II



A nut with an enlarged circular base flaring out from the bottom of the nut. The bearing surface of the flange has serrations which displace material on the mating surface while the nut is wrenched into place, forming a connection. *ZB - Zinc Blue

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