5/16-18x1 1/2 MS51957, Phil Pan Machine Screw Coarse Full Thread 300 Series S/S DFAR (Pack Qty 250) BC-MS51957-100

5/16-18x1 1/2 MS51957, Phil Pan Machine Screw Coarse Full Thread 300 Series S/S DFAR (Pack Qty 250) BC-MS51957-100You may also like 8-32X1/2 Unslotted Indented Hex Head Thread Cutting Screw Type 23 Full Thread Zinc (Pack Qty 10,000) BC-08083H.