Value Collection 440426PR Hex Head Cap Screw 9/16-12 X 1-1/2 in

Product Description

The VALUE COLLECTION 440426PR is a fully threaded hex head cap screw designed for high-strength fastening applications in industrial, mechanical, and structural assemblies. Manufactured from Grade L9 steel with a zinc yellow dichromate finish, this fastener offers elevated tensile strength and corrosion resistance compared to standard Grade 8 hardware. The 9/16-12 UNC thread profile and 1-1/2 inch length under head make it well-suited for heavy-duty bolted connections where reliable clamping force and thread engagement are critical. Installers in manufacturing, equipment maintenance, and mechanical contracting work with this fastener class regularly.

This cap screw is used in a wide range of industrial and commercial applications, including machinery assembly, structural steel connections, hydraulic equipment mounting, and heavy equipment repair. The fully threaded shank provides maximum thread engagement across the full length under head, making it a practical choice when threading into thick plates, flanged components, or standard hex nuts. It is appropriate for use in both new construction and field repair scenarios where high-strength inch-series fasteners are specified.

Key Features

• Grade L9 alloy steel construction for higher proof load and tensile strength than standard Grade 8 fasteners
• Zinc yellow dichromate finish provides corrosion resistance and is visually distinct for grade identification
• Fully threaded shank maximizes thread engagement along the entire 1-1/2 inch body length
• 9/16-12 UNC thread standard ensures compatibility with standard inch-series nuts, tapped holes, and tooling
• 13/16 inch hex key size for use with standard combination wrenches and sockets
• Inch measurement system throughout for straightforward integration with standard American fastener specifications

Compatibility

Designed as a standard UNC inch-series hex head cap screw compatible with 9/16-12 threaded nuts, inserts, and tapped holes in steel, cast iron, and similar structural materials.

Installation Notes

Installation should be performed by a qualified mechanic or maintenance technician using a properly sized 13/16 inch wrench or socket. Fastener torque should be determined by the engineer of record or equipment manufacturer specification for the applicable Grade L9 rating — do not apply generic Grade 5 or Grade 8 torque tables to this fastener. Always inspect threads for damage before installation and ensure mating threads are clean and free of debris. De-energize or lock out any equipment before accessing fastened assemblies under load or pressure.