S-90550A113 M2.5 x 8 mm Venting Stainless Steel Hex-Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments.
• Precise Class 6g thread fit guarantees secure fastening and reduces the risk of cross-threading during assembly.
• Vented design with 0.89mm vent diameter allows for pressure equalization, preventing fluid or air lock in sealed applications.
• 1.5mm hex drive provides excellent torque transmission and minimizes tool slippage for efficient installation.
• Fully threaded 8mm length offers maximum grip and holding power across the entire fastener engagement.
• 90° countersink angle ensures a flush finish when installed, maintaining aerodynamic and aesthetic surfaces.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets global manufacturing standards.

Professional Applications & Engineering Value

This M2.5 x 0.45mm metric flat head screw is engineered to address critical challenges in precision assembly. The 18-8 stainless steel material provides excellent resistance to oxidation and chemical exposure, making it ideal for electronics, automotive components, and medical devices where corrosion can compromise performance. The coarse thread pitch and Class 6g thread fit ensure rapid installation with minimal risk of stripping, while the vented feature is crucial for applications requiring pressure management, such as in enclosures or fluid systems. Its fully threaded design maximizes load distribution, and the hex drive allows for high-torque applications without cam-out, enhancing assembly speed and reliability in automated production lines.

Specification Summary & Compliance

This screw adheres to metric thread standards with M2.5 diameter, 0.45mm coarse pitch, and Class 6g thread fit for precise dimensional accuracy. It is fully threaded with a right-hand thread direction and features a standard flat head profile with 90° countersink angle. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.