HILLMAN 8933 Hex Cap Screw, 5/16-18 Thread, 1-1/2 in OAL, Stainless Steel, USS Measuring, Coarse Thread
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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.