Value Collection 403044PS Hex Head Cap Screw 1/4-20

Product Description

The VALUE COLLECTION 403044PS is a fully threaded hex head cap screw designed for general-purpose fastening applications across a wide range of trade and industrial settings. Sized at 1/4-20 UNC thread with a 4-1/2-inch length under the head, this fastener is manufactured from Grade 2 steel with a zinc-plated finish to provide basic corrosion resistance. It conforms to ASME B18.2.1, ASTM A307, and SAE J429 standards, making it a code-compliant choice for structural and mechanical assemblies. Licensed tradespeople and maintenance professionals working in HVAC, plumbing, electrical, and general mechanical installations will find this fastener suitable for a broad range of bolting tasks.

This cap screw is suited for residential and light commercial applications where a standard-strength, inch-series fastener is required. Typical use cases include equipment mounting, bracket assembly, panel attachment, and general mechanical fastening where full thread engagement along the entire shank length is needed. The 1/4-20 UNC thread form is one of the most common inch-series thread sizes used in North American trade work, making this screw easy to source compatible nuts, inserts, and tapped holes for.

Key Features

• Fully threaded shank provides maximum thread engagement for shallow or through-hole applications
• Grade 2 steel construction meets ASTM A307 and SAE J429 for general-purpose fastening duty
• Zinc-plated finish offers basic corrosion protection in dry and mildly humid environments
• 1/4-20 UNC thread standard ensures compatibility with the most common inch-series nuts and tapped components
• Conforms to ASME B18.2.1 dimensional standards for consistent head geometry and tolerances
• 7/16-inch hex key size for use with standard open-end, box-end, or socket wrenches

Compatibility

Designed as a standard 1/4-20 UNC inch-series hex head cap screw suitable for use with any compatible 1/4-20 nut, threaded insert, or tapped hole conforming to UNC thread standards.

Installation Notes

Installation requires a 7/16-inch open-end, box-end, or socket wrench. Power down or de-energize any equipment before fastening or removing hardware in electrical or HVAC assemblies. Do not substitute Grade 2 fasteners in applications that specify higher-grade hardware such as Grade 5 or Grade 8. Follow applicable mechanical and structural codes for the specific trade application.