Midwest Fastener 5/16 in.-18 x 4 in. Socket Cap Screw, 6-Pack

The Midwest Fastener 5/16 in.-18 x 4 in. Socket Cap Screw, 6-Pack delivers robust fastening strength for demanding mechanical, automotive, and industrial applications. Manufactured from high-grade steel with a plain finish, this cap screw provides solid structural support and high tensile performance where tight tolerances and dependable holding power are essential. Featuring a precision-machined internal hex socket drive, this cap screw allows for smooth torque transmission and a clean, flush-fit appearance in confined spaces where standard wrenches cannot reach. Its coarse thread design ensures fast and secure engagement in pre-tapped holes or mating nuts.