5/16-18 Grade 8 Hex Serrated Flange Nuts 5/16x18 Nuts 5/16 x 18 Flare Nut

Serrated Flange Lock Nuts.66 ~ Max. 68. Nut Height:Min. 268 ~ Max. 283. Serrations make this a lock nut. NOTpreviously rejected for quality issues or rescued from a scrap yard. Wrench Size:1/2. These are high quality fasteners that were.

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