Value Collection 451126BR Hex Cap Screw 5/8-11 X 9 in Grade 8

Product Description

The VALUE COLLECTION 451126BR is a Grade 8 steel hex head cap screw sized 5/8-11 x 9 inches, designed for high-strength fastening applications in mechanical, structural, and industrial assemblies. The partially threaded shank provides a smooth grip section that resists shear loads, while the hex head accepts standard hex wrenches for reliable torque application. Manufactured to ASME B18.2.1 standards, this screw is supplied with a bright uncoated finish and uses Unified National Coarse (UNC) thread form. At 0.82 pounds, it is suitable for demanding installations where Grade 8 tensile strength is specified by engineering or code requirements.

This fastener is appropriate for use in heavy equipment assembly, structural steel connections, machinery mounting, and other applications where high-strength inch-series fasteners are required. The 5/8-11 UNC thread size and 9-inch length make it well suited for thick-member clamping in fabrication shops, maintenance facilities, and job-site installations. Trade professionals including millwrights, pipefitters, ironworkers, and general contractors commonly use Grade 8 hex cap screws in load-bearing bolted joints.

Key Features

• Grade 8 steel construction for high tensile and proof-load strength
• Partially threaded shank provides shear resistance and accurate clamping
• 5/8-11 UNC thread form for broad compatibility with standard nuts and tapped holes
• Meets ASME B18.2.1 dimensional standards for hex head cap screws
• Bright uncoated finish; suitable for dry indoor or coated-joint applications
• Hex key size of 5/16 inches for drive tool reference

Compatibility

Designed as a standard inch-series hex head cap screw compatible with 5/8-11 UNC nuts, washers, and tapped holes conforming to ASME and ANSI thread standards.

Installation Notes

Installation should be performed by qualified tradespeople following applicable structural or mechanical codes. Always use a calibrated torque wrench and consult the relevant engineering specification or fastener torque chart for Grade 8 fasteners at this diameter before final tightening. Ensure mating nut or tapped hole is the correct thread class and is free of debris before assembly. Bright uncoated fasteners should not be used in corrosive or outdoor environments without additional protective measures such as plating or coating.