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The VALUE COLLECTION HCI51000700G is a partially threaded hex head cap screw designed for heavy-duty fastening applications across construction, mechanical, and industrial trades. Manufactured from Grade 5 steel with a hot-dipped galvanized finish, this fastener delivers solid corrosion resistance in outdoor and moisture-exposed environments. The screw measures 1-8 thread size by 7 inches in length under head and follows the UNC thread standard. At 1.8 pounds, this is a substantial, large-diameter fastener suited for structural connections and equipment mounting where tensile strength and weather resistance are required.
This hex head cap screw is used in residential and commercial construction, structural steel assembly, heavy equipment fabrication, and utility installations. The partial threading allows for greater shank strength in load-bearing connections, making it appropriate for through-bolting structural members, anchoring machinery bases, and similar high-load fastening scenarios. Installers in plumbing, HVAC equipment mounting, and electrical enclosure work commonly use fasteners of this size and grade for securing equipment frames and support structures.
Designed as a standard UNC inch-series hex head cap screw for use with Grade 5 compatible nuts, washers, and tapped fittings in structural and mechanical assemblies.
Installation is performed by general contractors, ironworkers, pipefitters, and mechanical trades using standard hex wrenches or impact drivers with the appropriate socket size. Always power down or de-energize associated equipment before fastening near electrical components. Use flat washers and appropriately rated nuts to distribute load and maintain fastener integrity. Follow applicable building codes and torque guidelines specified by the project engineer or equipment manufacturer for this fastener grade and size.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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