S-90910A923 M2 x 8 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 with 18-8 stainless steel and passivated finish, ideal for harsh environments
- Enhanced torque transmission and reduced cam-out thanks to the Torx T6 drive design
- High mechanical strength and durability with 100,000 psi tensile strength and Rockwell B96 hardness
- Reliable and consistent thread engagement ensured by Class 4g6g thread fit and coarse pitch threading
- Streamlined assembly process with a fully threaded design for maximum grip and a low-profile rounded button head
- Guaranteed dimensional accuracy and interchangeability through compliance with the ASME B18.3.4M standard
- Safe for use in regulated industries with full compliance to RoHS 3 and REACH environmental directives
Professional Applications & Engineering Value
This M2 x 0.4mm rounded head screw is engineered to solve critical challenges in precision assemblies. The combination of 18-8 stainless steel and a passivated finish provides exceptional resistance to oxidation and chemical attack, making it a reliable choice for electronics, medical devices, and automotive components exposed to moisture or corrosive agents. The Torx T6 drive offers superior torque transfer compared to Phillips or slotted drives, minimizing the risk of tool slippage and head stripping, which is crucial for high-torque applications and automated assembly lines. Its fully threaded metric coarse thread ensures a secure and lasting hold in a wide range of materials, from metals to engineered plastics, providing engineers with a versatile and dependable industrial screw solution.
Specification Summary & Compliance
This precision screw features an M2 thread size with a 0.4mm coarse pitch and a Class 4g6g thread fit, ensuring excellent dimensional accuracy. It is manufactured to meet the rigorous ASME B18.3.4M standard for metric machine screws. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to strict environmental and safety standards for hazardous substances.
