S-92210A627 3/8"-16 x 1 3/8" ASME B18.3, ASTM F879 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel and passivated finish, ideal for harsh environments
• High tensile strength of 70,000 psi ensures reliable performance in demanding applications
• Precise Class 3A thread fit provides secure, vibration-resistant connections
• 82° countersink angle and flat head design allows for flush mounting and clean aesthetics
• Hex drive (7/32") enables easy installation and high torque application
• Fully threaded UNC coarse thread offers quick assembly and strong holding power
• Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality and environmental safety

Professional Applications & Engineering Value

These 3/8"-16 UNC flat head screws are engineered to solve critical challenges in industrial assembly, where corrosion resistance and mechanical strength are paramount. The 18-8 Stainless Steel material, combined with a passivated finish, significantly extends service life in moist or chemically aggressive environments, reducing maintenance costs and downtime. The Class 3A thread fit and coarse UNC threading ensure rapid, secure fastening in metal, plastic, or composite components, minimizing the risk of loosening under vibration. Commonly used in machinery, automotive, and structural applications, these fully threaded screws with an 82° countersink provide a smooth, flush finish that enhances both safety and appearance in visible assemblies.

Specification Summary & Compliance

This product features precise Class 3A thread fit per UNC standards, with a thread size of 3/8"-16 and full threading for consistent engagement. Manufacturing adheres to ASME B18.3 and ASTM F879 specifications, ensuring dimensional accuracy and performance reliability. The screws are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming they are free of hazardous substances and safe for industrial use worldwide.