S-91263A701 12-24 x 1/2" ASTM F835 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 130,000 psi ensures reliable fastening under high-stress conditions, reducing the risk of failure in demanding applications.
• Superior corrosion resistance with zinc-plated alloy steel construction extends service life and maintains integrity in harsh industrial environments.
• Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant connections, minimizing loosening over time.
• Full threading design offers maximum grip and holding power along the entire length, enhancing stability in assembled components.
• Hex drive compatibility with a 1/8" drive size allows for easy installation and removal using standard tools, improving efficiency in assembly lines.
• High hardness rating of Rockwell C39 ensures durability and resistance to wear, supporting long-term performance in repetitive use scenarios.
• Compliance with industry standards including ASTM F835, RoHS 3, and REACH guarantees safety, environmental responsibility, and consistency for global supply chains.

Professional Applications & Engineering Value

These 12-24 UNC flat head screws are engineered to address common industrial challenges, such as vibration-induced loosening and corrosion in machinery assemblies. Made from zinc-plated alloy steel, they provide robust protection against moisture and chemicals, ideal for automotive, aerospace, and heavy equipment sectors. The coarse thread spacing and right-hand thread direction facilitate quick installation in materials like metal and plastic, while the flat head profile ensures a flush finish for streamlined surfaces. With a tensile strength of 130,000 psi and full threading, they deliver superior clamping force, preventing joint failure in high-load applications and reducing maintenance downtime for B2B clients seeking dependable industrial fasteners.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including Class 3A thread fit for tight tolerances and UNC thread type with coarse spacing. It meets ASTM F835 specifications for mechanical properties and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material consistency in industrial use.