5/16-18 x 2-1/2-Inch Stainless Steel USS Hex Cap Screw 1-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. - Coarse partially threaded along shank - Screws feature a washer face under the head for a better seal - Stainless steel finish for corrosion resistance - Hex cap head and machine threads provide high torque capability - 1 piece per retail package
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