S-92949A626 3/8"-16 x 1 1/4" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel and passivated finish, ideal for harsh industrial environments
• Superior fastening reliability through Class 3A thread fit and fully threaded design for maximum grip and vibration resistance
• High mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness to withstand heavy loads
• Efficient installation and removal using the 7/32" hex drive, providing secure tool engagement and reducing assembly time
• Broad compatibility with UNC coarse threads (3/8"-16) for quick engagement in various materials and applications
• Regulatory compliance assurance meeting ASME B18.3, RoHS 3, and REACH standards for safe, quality-driven use
• Optimized head design with a rounded button profile for a low-profile, aesthetically clean finish while maintaining structural integrity

Professional Applications & Engineering Value

This 18-8 stainless steel rounded head screw is engineered to address critical industrial challenges, such as corrosion in humid or chemical-exposed settings. The passivated finish significantly enhances surface durability, preventing rust and extending service life in machinery, construction, and marine equipment. Its 3/8"-16 UNC coarse threads and Class 3A fit ensure precise, tight fastening that resists loosening under vibration, making it ideal for heavy-duty assemblies. The hex drive allows for high-torque applications without stripping, while the fully threaded design distributes stress evenly. These features make it a reliable choice for industrial fasteners requiring strength, compliance, and long-term performance in demanding environments.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including Class 3A thread fit for tight tolerances and UNC coarse threading (3/8"-16). It meets ASME B18.3 specifications for consistency and reliability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it ensures environmental safety and material restrictions are upheld for industrial use.