S-92210A724 1/2"-13 x 3" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional tensile strength rated at 70,000 psi ensures reliable performance in high-stress applications
• Precise Class 3A thread fit provides secure, vibration-resistant fastening with minimal risk of loosening
• Convenient hex drive design (5/16") allows for easy installation and removal with standard tools
• Full threading along the 3" length offers maximum grip and adjustability in various material thicknesses
• Standard 82° countersink angle ensures flush mounting for a clean, professional finish
• Compliance with ASME B18.3 and environmental regulations guarantees quality and safety for industrial use

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these flat head hex drive screws combine 18-8 stainless steel with a passivated finish to combat corrosion in moisture-rich or chemical-exposed settings. The coarse UNC thread and Class 3A fit deliver superior holding power, reducing the risk of strip-out in soft materials or under dynamic loads. With a high tensile strength of 70,000 psi and Rockwell B55 hardness, they withstand extreme forces in machinery, structural assemblies, and heavy equipment. The fully threaded design and 82° countersink enable seamless integration into metal frames, automotive components, and construction projects, ensuring long-term reliability and ease of maintenance.

Specification Summary & Compliance

This 1/2"-13 UNC flat head screw features precise Class 3A thread fit per ASME B18.3 standards, with a length of 3" and coarse thread spacing for optimal performance. Manufacturing adheres to ASME B18.3 specifications, and the product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable use in global markets.