S-91253A941 3/8"-16 x 7" 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 demanding applications, reducing the risk of fastener failure.
• Class 3A thread fit provides superior precision and tighter tolerances for secure, vibration-resistant assemblies in critical machinery.
• Alloy steel construction with Rockwell C39 hardness offers excellent durability and resistance to wear, extending service life in harsh industrial environments.
• Partially threaded design with UNC coarse thread allows for faster installation and improved grip in softer materials, enhancing assembly efficiency.
• 82° countersink angle and flat head profile enable a flush finish, minimizing protrusion and improving safety in automated systems.
• Hex drive (7/32") compatibility facilitates easy installation and removal with standard tools, reducing labor time and maintenance costs.
• Compliance with ASTM F835, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations, supporting sustainable procurement.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these 3/8"-16 UNC flat head screws address common challenges like vibration loosening and material fatigue. The alloy steel composition, combined with a Rockwell C39 hardness rating, provides robust resistance to shear and tensile stresses, making them ideal for machinery, structural frameworks, and equipment subjected to dynamic loads. The partially threaded and coarse thread design ensures quick, secure fastening in metals and composites, while the 82° countersink angle allows for seamless integration without surface interference. By meeting ASTM F835 specifications, these screws deliver consistent performance in high-stress environments, reducing downtime and maintenance needs for B2B clients in manufacturing and construction sectors.

Specification Summary & Compliance

This product features a Class 3A thread fit per UNC standards, ensuring precise dimensional accuracy and compatibility. Manufactured in accordance with ASTM F835 for consistent quality, it is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, supporting environmental and safety regulations. Key specifications include a 7" length, 3/8"-16 thread size, and right-hand thread direction, designed for reliable fastening in industrial settings.