Value Collection 581906PR Hex Socket Cap Screw 9/16-12 Unc

Product Description

The VALUE COLLECTION 581906PR is a hex socket cap screw engineered for high-strength fastening applications in industrial, mechanical, and structural assemblies. This fastener features a 9/16-12 UNC thread size and measures 7.5 inches in length under the head. It is driven with a 7/16-inch hex key. Constructed from alloy steel and finished with a black oxide coating, this screw delivers solid tensile strength and moderate corrosion resistance. It is partially threaded, which helps maintain clamping force in through-bolt applications. Licensed tradespeople, machinists, and maintenance professionals working in equipment assembly or structural repair will find this fastener meets ASME/ANSI B18.3 and ASTM A574 standards.

This hex socket cap screw is suited for use in heavy equipment assembly, machine frames, jigs and fixtures, and general industrial fastening where a recessed drive head and high-strength alloy steel are required. The black oxide finish makes it a common choice in applications where the fastener will be exposed to light moisture or where a low-reflectance appearance is preferred. Partial threading is appropriate for clamping joints where a smooth shank is needed in the grip zone.

Key Features

• 9/16-12 UNC thread size for compatibility with standard inch-series tapped holes
• 7.5 inches length under head — partially threaded for grip-zone clamping
• 7/16-inch hex socket drive for torque application with a standard Allen key or hex bit
• Alloy steel construction meets ASTM A574 high-strength requirements
• Black oxide finish provides mild corrosion resistance and low-reflectance appearance
• Conforms to ASME/ANSI B18.3 socket cap screw dimensional standard

Compatibility

Designed as a standard ASME/ANSI B18.3 hex socket cap screw for use in any 9/16-12 UNC tapped or through-hole application requiring a recessed hex drive and alloy steel construction.

Installation Notes

Installation is performed with a 7/16-inch hex key, Allen wrench, or hex bit driver. Always ensure the mating tapped hole is clean and free of debris before installation. Power down and de-energize any equipment before fastening components in electrical or mechanical assemblies. Follow applicable torque specifications from the equipment manufacturer or relevant industry standards, as this fastener class is rated for high-clamp-load applications.