Value Collection 5020CHAL Hex Head Cap Screw 1/2-13 Aluminum

Product Description

The VALUE COLLECTION 5020CHAL is a hex head cap screw machined from 2024T4 aluminum alloy. It carries a 1/2-13 thread size with a 1-1/4 inch length under head and a 3/4 inch hex drive. The Unified National Coarse (UNC) thread form provides strong, reliable engagement in aluminum and other light-metal assemblies. This fastener is suited for structural and mechanical applications where reduced weight is a priority without sacrificing the tensile strength that 2024T4 aluminum provides. Mechanical contractors, millwrights, and fabricators working on aerospace-adjacent, marine, or industrial equipment will find this a standard replacement or OEM-spec option.

This cap screw is intended for use in light-metal structural assemblies, machinery frames, and equipment enclosures where standard steel fasteners would add unnecessary weight or create galvanic corrosion concerns. Its 1/2-13 UNC thread pattern is one of the most common coarse-thread sizes in inch-standard mechanical systems, making it straightforward to source matching nuts, inserts, or tapped holes in existing equipment.

Key Features

• 2024T4 aluminum alloy construction provides high strength-to-weight ratio for demanding mechanical applications
• 1/2-13 UNC thread form for compatibility with standard inch-system tapped holes and nuts
• 1-1/4 inch length under head measured from bearing face to tip
• 3/4 inch hex drive fits standard hex wrenches and sockets without special tooling
• Aluminum material reduces risk of galvanic corrosion in light-metal assemblies

Compatibility

Designed as a standard inch-series hex head cap screw for use in any application requiring a 1/2-13 UNC threaded fastener with a 1-1/4 inch grip length in aluminum construction.

Installation Notes

Installation is performed by qualified mechanics or tradespeople using a standard 3/4 inch hex wrench or socket. De-energize and lock out any equipment before fastener replacement in powered assemblies. Avoid using impact drivers at full torque on aluminum fasteners, as 2024T4 alloy is susceptible to thread galling and over-torque failure. Refer to the equipment manufacturer's torque specifications for the correct seating value.