Hillman 18-8 Stainless Steel USS Hex Cap Screws (5/16"-18 x 3") - 50 Pack

Hex cap screws are bolts with hexagonal heads and machine threads for use with a nut or in a tapped hole. These screws are bolts with a washer face under the head. Use these coarse partially threaded screws anywhere a hex bolt may be used. Tighten with a wrench or a drill.