Value Collection 451143BR Hex Head Cap Screw 3/4-10 X 8 in

Product Description

The VALUE COLLECTION 451143BR is a Grade 8 steel hex head cap screw designed for high-strength fastening applications. Measuring 3/4-10 thread size with an 8-inch length under head, this fastener features a Unified National Coarse (UNC) thread form and is partially threaded along the shank. The bright, uncoated finish leaves the steel surface bare for applications where coating is not required or where the installer will apply a separate treatment. Manufactured to ASME B18.2.1 standards, it delivers the dimensional accuracy and mechanical strength expected in structural and heavy-duty assemblies. Millwrights, maintenance mechanics, and industrial tradespeople rely on Grade 8 fasteners for demanding bolted connections.

This cap screw is suited for structural connections, machinery mounting, and heavy equipment assembly where high clamping force is required. The partial threading allows the unthreaded shank to serve as a locating feature or to span shear-loaded interfaces without thread engagement in the load zone. Applications span industrial fabrication, equipment frames, and general mechanical assembly where inch-series, UNC fasteners are specified. The 1-1/8-inch hex key size is compatible with standard hex wrenches and impact sockets commonly found in trade toolkits.

Key Features

• Grade 8 steel construction provides high tensile and proof load strength for demanding structural connections
• 3/4-10 UNC thread form for broad compatibility with standard inch-series nuts and tapped holes
• 8-inch length under head accommodates thick stock, stacked assemblies, or deep-clearance installations
• Partially threaded shank supports shear-loaded joints and precision-location applications
• Bright uncoated finish suits applications where coating is not required or will be field-applied
• Manufactured to ASME B18.2.1 for consistent dimensional tolerances and head geometry

Compatibility

Designed as a standard inch-series hex head cap screw compatible with 3/4-10 UNC nuts, threaded inserts, and tapped holes conforming to ASME or ANSI inch-series thread standards.

Installation Notes

Installation is performed by millwrights, maintenance mechanics, or general tradespeople using a 1-1/8-inch hex wrench or impact socket. De-energize and lock out all associated equipment before disassembling any bolted connection. Follow applicable torque specifications from the equipment manufacturer or a recognized fastener torque table for Grade 8 UNC fasteners. Inspect threads for damage before installation and do not reuse fasteners that show signs of stretching, galling, or corrosion.