S-90236A148 M5 x 25 mm ISO 14581 Alloy Steel Torx Flat Head Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated alloy steel construction for extended service life in demanding environments
• Superior torque transmission through T25 Torx drive design, reducing cam-out and tool slippage during installation
• High mechanical strength with Class 8.8 rating, providing reliable performance under substantial loads and vibrations
• Optimized flush mounting with standard 90° countersink angle and flat head profile for seamless surface integration
• Secure thread engagement through fully threaded M5x0.8mm coarse pitch design with Class 6h precision fit
• Consistent hardness performance with Rockwell C22 rating ensuring dimensional stability and wear resistance
• Global compliance assurance meeting ISO 14581 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

These M5 flat head screws deliver exceptional engineering value in applications requiring flush surface mounting with high-strength fastening solutions. The zinc-plated alloy steel construction provides critical corrosion protection for industrial equipment, machinery assemblies, and outdoor applications where environmental exposure is a concern. The T25 Torx drive system addresses common installation challenges by eliminating cam-out issues that can damage fastener heads and compromise joint integrity. With fully threaded coarse pitch design and Class 6h thread fit, these screws ensure rapid installation and reliable thread engagement in various materials, from steel frames to industrial enclosures. The combination of Class 8.8 strength rating and Rockwell C22 hardness makes these metric screws ideal for vibration-resistant applications where fastener integrity is paramount to operational safety and equipment longevity.

Specification Summary & Compliance

This metric flat head screw features precise M5x0.8mm coarse thread with Class 6h thread fit tolerance according to ISO standards. The fastener maintains dimensional accuracy with a 90° countersink angle and fully threaded 25mm length. Manufacturing and quality control adhere to ISO 14581 specifications for dimensional and mechanical properties. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures these screws meet international standards for restricted substances, making them suitable for global industrial supply chains and environmentally conscious manufacturing operations.