S-91263A533 10-24 x 1/2" ASTM F835 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc-plated alloy steel construction, ensuring long-term reliability in harsh industrial environments.
• Superior tensile strength of 130,000 psi provides reliable fastening under high-stress conditions, reducing the risk of mechanical failure.
• Precise Class 3A thread fit ensures smooth installation and secure engagement, minimizing assembly time and improving joint integrity.
• 82° countersink angle with standard flat head profile allows for flush mounting, enhancing aesthetics and preventing snagging in machinery.
• Fully threaded design offers maximum grip length and uniform load distribution, ideal for varied material thicknesses.
• Hex drive (1/8") compatibility enables easy installation with common tools, boosting efficiency in high-volume assembly lines.
• Compliance with ASTM F835, RoHS 3, and REACH guarantees adherence to industry standards for safety and environmental regulations.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 10-24 UNC flat head screws address common challenges like vibration loosening and corrosion in machinery assembly. The zinc-plated alloy steel material, combined with a Rockwell C39 hardness, ensures durability against wear and environmental exposure, making them suitable for automotive, electronics, and heavy equipment sectors. The coarse thread spacing and right-hand thread direction facilitate quick installation in coarse-grained materials, while the fully threaded design provides consistent clamping force. This screw is ideal for applications requiring flush mounting with an 82° countersink, such as panel fastening or enclosure assembly, where space optimization and reliability are critical.

Specification Summary & Compliance

This product features a Class 3A thread fit for precise tolerance in inch measurements, with UNC coarse threads and a diameter of 0.19". It meets ASTM F835 specifications for mechanical properties and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring no hazardous substances and adherence to environmental standards.