Value Collection D30145-6 Hex Head Cap Screw 5/8-11 X 6 in

Product Description

The VALUE COLLECTION D30145-6 is a partially threaded hex head cap screw designed for heavy-duty fastening applications across mechanical, structural, and industrial assemblies. It features a 5/8-11 UNC thread size with a 6-inch length under head, manufactured from Grade 5 steel with a zinc-plated finish for corrosion resistance. Conforming to ASME B18.2.1, this fastener meets recognized dimensional and performance standards. It is suited for use by machinists, millwrights, pipefitters, and general contractors who require a reliable, standardized inch-series fastener for bolted connections in equipment, framework, and structural applications.

This hex head cap screw is appropriate for residential, commercial, and industrial settings where a partially threaded, Grade 5 inch-series fastener is required. The partial thread design allows the unthreaded shank to carry shear loads, making it well suited for joints where clamping force and shear resistance are both needed. Applications include equipment mounting, steel fabrication, pump and motor assembly, and general structural bolting. It is sold in a minimum order quantity of 10 pieces.

Key Features

• 5/8-11 UNC thread for compatibility with standard inch-series nuts and tapped holes
• 6-inch length under head accommodates thick material stacks and deep-grip fastening
• Partially threaded shank handles shear loads in addition to tensile clamping force
• Grade 5 steel construction meets SAE medium-strength fastener requirements
• Zinc-plated finish provides basic corrosion protection in dry and mildly humid environments
• Conforms to ASME B18.2.1 dimensional standards for hex cap screws

Compatibility

Designed for use with standard 5/8-11 UNC hex nuts, washers, and tapped holes in inch-series fastener assemblies conforming to ASME B18.2.1 specifications.

Installation Notes

Installation is performed by machinists, millwrights, pipefitters, or general tradespeople using standard hex wrenches or impact tooling sized for a 5/8-inch hex head. Always verify that mating threads and tapped hole depths are clean and free of debris before installation. Apply thread lubricant or anti-seize as required by the application to achieve accurate torque values per applicable fastener standards. De-energize and lock out any equipment before replacing or installing fasteners in powered machinery.