S-94414A352 8-32 x 5/16" ASME B18.3, ASTM F835 Alloy Steel Torx Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 140,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Black-oxide coating on alloy steel provides enhanced corrosion resistance, extending the service life of assemblies in harsh industrial environments.
• Torx Plus IP20 drive system offers superior torque transfer and reduced cam-out, allowing for efficient installation and minimizing tool wear.
• Class 3A thread fit with UNC coarse spacing delivers precise, secure fastening with excellent vibration resistance, ideal for repetitive assembly operations.
• Fully threaded design and 82° countersink angle enable flush mounting and uniform load distribution, enhancing structural integrity in flat head applications.
• Rockwell C39 hardness rating ensures durability and resistance to wear, maintaining thread integrity over multiple use cycles.
• Compliance with ASME B18.3, RoHS 3, and REACH standards guarantees consistent quality and environmental safety, meeting global regulatory requirements for industrial components.

Professional Applications & Engineering Value

These 8-32 UNC flat head screws are engineered from black-oxide alloy steel to address common industrial challenges such as corrosion, vibration loosening, and installation inefficiency. The Torx Plus drive minimizes slippage during high-torque applications, reducing downtime in automated assembly lines. With a coarse thread spacing and Class 3A fit, they provide secure fastening in materials like metal and plastic, preventing back-off in dynamic environments. The fully threaded design and 82° countersink ensure a flush finish, critical for aerospace, automotive, and electronics enclosures where space and aesthetics are paramount. By combining high tensile strength with regulatory compliance, these screws deliver long-term reliability in corrosive or high-load scenarios.

Specification Summary & Compliance

This product features precise UNC thread specifications with a Class 3A thread fit for tight tolerances and consistent performance. Manufacturing adheres to ASME B18.3 standards, ensuring dimensional accuracy and interoperability. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms the absence of hazardous substances, supporting sustainable and safe industrial practices. The screws are fully threaded with a right-hand thread direction and coarse spacing, optimized for efficient installation and robust mechanical holding power.