Au-ve-co® 12518 Hex Flange Lock Nut, 1/2-13 Thread, Coarse Thread, Oil/Phosphate-Coated

Au-ve-co® Hex Flange Lock Nut, 1/2-13 Thread, Coarse Thread, 0.545 to 0.555 in Height, 8 Grade, Oil/Phosphate-Coated