S-91263A584 3/8"-16 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 applications, reducing the risk of fastener failure.
• Class 3A thread fit provides superior precision and tight tolerances for secure, vibration-resistant assemblies in machinery and equipment.
• Zinc-plated alloy steel construction offers excellent corrosion resistance, extending service life in harsh environments and reducing maintenance costs.
• Hex drive design with 7/32" drive size allows for easy installation and high torque application, minimizing slippage and improving assembly efficiency.
• 82° countersink angle and flat head profile enable a flush finish when installed, preventing snagging and enhancing safety in automated systems.
• Full threading and coarse UNC thread spacing ensure quick engagement and strong holding power, ideal for rapid assembly lines.
• Compliance with ASTM F835, RoHS 3, and REACH standards guarantees material safety and regulatory adherence, supporting sustainable and responsible manufacturing practices.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 3/8"-16 UNC flat head screws address common challenges like vibration loosening and corrosion in heavy machinery, automotive assemblies, and structural frameworks. The zinc-plated alloy steel material, combined with a Rockwell C39 hardness, ensures durability against wear and environmental factors, while the hex drive style simplifies installation in tight spaces. With a coarse thread spacing and fully threaded design, they provide rapid fastening and reliable grip, making them ideal for applications requiring high tensile strength and repeatable performance in inch system measurements. This screw is a trusted solution for engineers seeking efficiency and longevity in industrial fasteners.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including Class 3A thread fit for tight tolerance and UNC coarse thread specifications. It meets ASTM F835 for mechanical properties and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity. The screw features a standard 82° countersink angle and is fully threaded for consistent performance in industrial applications.