Midwest Fastener 00271 Hex Cap Screw, 5/16-18 Thread, 3/4 in OAL, 5 Grade, Steel, Zinc-Plated, SAE Measuring

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5/16-18 x 3/4 Grade 5 coarse hex cap screws are engineered from durable Grade 5 steel, delivering reliable strength and long-lasting performance for demanding applications. Featuring a zinc finish, these bolts offer moderate corrosion resistance, making them suitable for a variety of environments. The hex head design allows for easy installation and removal using standard wrenches or sockets, while the head stamping ensures quick class and grade identification even after installation. These bolts are ideal for construction, automotive and industrial-use where secure fastening is critical. Their precise coarse threading provides smooth engagement and maximum holding power, ensuring components stay firmly connected under stress. Whether used in machinery assembly, structural frameworks or repair work, these Grade 5 hex cap screws offer dependable performance and ease of use for both professional contractors and DIY enthusiasts.

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