S-90910A950 M2.6 x 5 mm ASME B18.3.4M Stainless Steel Button Head Torx Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments
• Enhanced torque transmission and reduced cam-out thanks to the Torx T8 drive system, providing secure installation and maintenance
• High mechanical strength with 100,000 psi tensile strength and Rockwell B96 hardness for dependable performance under load
• Precise thread engagement with Class 4g6g thread fit and fully threaded design, ensuring consistent clamping force and vibration resistance
• Streamlined assembly with a low-profile button head and standard rounded profile, ideal for applications with limited clearance
• Broad industry compatibility through compliance with ASME B18.3.4M, RoHS 3, and REACH standards for quality and environmental safety
• Optimized for metric systems with M2.6 x 0.45 mm coarse threading, facilitating quick installation and interchangeability

Professional Applications & Engineering Value

This M2.6 Torx button head screw is engineered to address critical challenges in precision assembly and industrial fastening. The 18-8 stainless steel material, combined with a passivated finish, provides exceptional resistance to oxidation and chemical exposure, making it suitable for electronics, medical devices, and outdoor equipment. The Torx T8 drive minimizes tool slippage, enabling higher torque application without damaging the screw head—essential for automated production lines and repetitive maintenance. With a fully threaded design and Class 4g6g thread fit, it ensures uniform stress distribution and secure fastening in high-vibration environments like machinery and automotive subsystems. Its compact button head profile allows flush mounting in tight spaces, reducing protrusion risks while maintaining aesthetic and functional integrity.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including M2.6 thread size with a 0.45 mm coarse pitch and Class 4g6g thread fit per ISO metric specifications. It is manufactured in compliance with ASME B18.3.4M for consistent quality and performance. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in regulated industries.