25 Jul 7/16-14 Serrated Flange Nuts 7/16×14 Nuts 7/16 x 14 Hex Flare Nut
Serrated Flange Lock Nuts. Nut Height:3/8. Serrations make this a lock nut. Wrench Size:11/16. NOT previously rejected for quality issues or rescued from a scrap yard. It is a lot easier to resolve problems one on one....