S-90910A920 M2 x 4 mm ASME B18.3.4M Stainless Steel Button Head Torx Screws
Stainless Steel Button Head Torx Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance thanks to 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
- Enhanced torque transmission and reduced cam-out with the Torx T6 drive, ensuring secure and efficient installation.
- High mechanical strength and durability with a tensile strength of 100,000 psi and Rockwell B96 hardness for reliable, long-lasting performance.
- Precise and secure fastening due to the Class 4g6g thread fit and fully threaded design, minimizing loosening in vibration-prone applications.
- Streamlined assembly process with the rounded button head profile, providing a low-profile finish that reduces snagging.
- Broad industry compliance meeting ASME B18.3.4M standards, RoHS 3, and REACH regulations for safe, quality-assured use.
- Optimized for metric coarse threading (M2 x 0.4mm pitch), ensuring quick installation and strong holding power in various materials.
Professional Applications & Engineering Value
This M2 rounded head screw is engineered to address critical challenges in precision assembly, such as vibration resistance and corrosive environment durability. The combination of 18-8 stainless steel and a passivated finish provides exceptional protection against oxidation and chemical exposure, extending service life in electronics, automotive, and medical device manufacturing. The Torx T6 drive offers superior torque control, reducing the risk of tool slippage and head stripping during high-torque applications. With a fully threaded design and Class 4g6g thread fit, it ensures consistent clamping force and reliable performance in compact spaces, making it an ideal metric fastener for applications demanding precision, strength, and regulatory compliance.
Specification Summary & Compliance
This screw adheres to precise dimensional standards with a Class 4g6g thread fit per metric coarse threading (M2 x 0.4mm pitch). It is manufactured in compliance with ASME B18.3.4M for consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in various industrial and consumer applications.
