Dadi flangia seghettati esagonali grado 8 1/2-13 dadi 1/2 x 13 dadi svasati
Serrated Flange Lock Nuts. Nut Height:Min. 437 ~ Max. 458. Serrations make this a lock nut. NOTpreviously rejected for quality issues or rescued from a scrap yard. Wrench Size:3/4. These are high quality fasteners that were.