5/16-18X1 1/2 MS51959, NASM51959 Phil Flat Machine Screw Full Thread 300 Series S/S DFAR (Pack Qty 500) BC-MS51959-100

5/16-18X1 1/2 MS51959, NASM51959 Phil Flat Machine Screw Full Thread 300 Series S/S DFAR (Pack Qty 500) BC-MS51959-100You may also like 6-20X1 Phillips Flat Self Tapping Screw Type A B Fully Threaded Black Zinc (Pack Qty 10,000) BC-0616ABPFBZ.