S-90279A239 10-24 x 5/16" ASME B18.6.3 Steel Round Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• Excellent tensile strength of 60,000 psi ensures reliable performance under high-stress applications
• Rockwell B69 hardness rating provides exceptional durability and resistance to wear
• Class 2A thread fit offers optimal assembly efficiency while maintaining secure fastening
• Fully threaded design delivers maximum grip length and uniform load distribution
• No. 2 Phillips drive enables quick installation with standard tools while minimizing cam-out
• 10-24 UNC coarse threading provides faster assembly and better performance in softer materials

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these zinc-plated steel screws combine corrosion protection with high tensile strength to solve critical fastening challenges. The 10-24 UNC coarse thread configuration ensures rapid installation and superior holding power in various materials, while the rounded head design with Phillips drive provides flush mounting and tool compatibility. The fully threaded construction maximizes engagement surface area, distributing stress evenly to prevent joint failure in machinery, equipment assembly, and structural applications where vibration resistance and long-term reliability are paramount.

Specification Summary & Compliance

Manufactured to precise ASME B18.6.3 standards with Class 2A thread fit tolerance for consistent performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Features 10-24 UNC coarse threads, right-hand threading, and meets specified dimensional requirements including 5/16" length, 0.359" head diameter, and No. 2 Phillips drive size.