5/16-18X5/8 MS51959, NASM51959 Phil Flat Machine Screw Full Thread 300 Series S/S DFAR (Pack Qty 500) BC-MS51959-95

5/16-18X5/8 MS51959, NASM51959 Phil Flat Machine Screw Full Thread 300 Series S/S DFAR (Pack Qty 500) BC-MS51959-95You may also like 1/4-28X3/8 Fine Thread Hex Cap Screw Grade 8 Zinc Yellow (Pack Qty 3,000) BC-1506CH8O.