S-91253A415 12-24 x 1" ASTM F835 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 130,000 psi ensures reliable performance in high-stress industrial assemblies.
• Corrosion-resistant Black-Oxide finish on alloy steel extends service life in demanding environments.
• Precise Class 3A thread fit guarantees secure, vibration-resistant fastening with minimal risk of loosening.
• Fully threaded coarse UNC design enables faster installation and superior grip in various materials.
• Hex drive (1/8") compatibility allows for high-torque application with standard tools, reducing assembly time.
• Compliance with ASTM F835, RoHS 3, and REACH ensures adherence to strict quality and environmental standards.
• 82° flat head profile provides a flush, low-profile finish ideal for streamlined surfaces.

Professional Applications & Engineering Value

Engineered for industrial applications requiring robust and durable fastening solutions, these 12-24 UNC flat head screws address common challenges like vibration-induced loosening and corrosion. The Black-Oxide Alloy Steel construction, combined with a coarse thread and fully threaded design, ensures rapid installation and strong holding power in metals, plastics, and composites. The hex drive facilitates efficient torque transmission, minimizing strip-out risks during high-stress assembly. Ideal for machinery, automotive, and equipment manufacturing, these screws deliver consistent performance under heavy loads while meeting critical ASTM F835 specifications for reliability.

Specification Summary & Compliance

This product adheres to Class 3A thread fit for precise tolerance, UNC coarse threading per standard specifications, and manufacturing in compliance with ASTM F835. It is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring environmental safety and regulatory alignment for global industrial use.