S-91263A537 10-24 x 1" ASTM F835 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating, ideal for harsh industrial environments
• Exceptional tensile strength of 130,000 psi ensures reliable performance under heavy loads
• Precise Class 3A thread fit provides smooth assembly and vibration resistance
• Fully threaded design maximizes grip and holding power across the entire length
• 82° countersink angle and standard flat head profile enable flush mounting for a clean finish
• Hex drive (1/8") compatibility allows for easy installation with common tools
• High Rockwell C39 hardness enhances durability and reduces wear during repeated use

Professional Applications & Engineering Value

These 10-24 UNC flat head screws are engineered from zinc-plated alloy steel to address critical industrial fastening challenges. The coarse thread design and Class 3A thread fit ensure quick, secure installation in metal, wood, and composite materials, reducing assembly time and minimizing cross-threading risks. The fully threaded construction distributes clamping force evenly, preventing loosening under vibration in machinery, automotive, and construction applications. With a 130,000 psi tensile strength and Rockwell C39 hardness, they provide long-term reliability in high-stress environments, while the 82° countersink allows for seamless integration in countersunk holes, maintaining structural integrity and aesthetic appeal.

Specification Summary & Compliance

This product meets ASTM F835 specifications for mechanical properties and dimensional accuracy, including Class 3A thread fit per UNC standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions adherence. The screw features a right-hand thread, 1" length, and coarse thread spacing, manufactured to precise industrial tolerances for consistent performance.