S-90236A129 M4 x 5 mm ISO 14581 Alloy Steel Torx Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated alloy steel construction, extending service life in demanding industrial environments
• Enhanced torque transmission and reduced cam-out thanks to T20 Torx drive design, ensuring secure installation and maintenance efficiency
• High mechanical strength and reliability with Class 8.8 rating, suitable for high-stress applications requiring consistent performance
• Precision thread engagement with Class 6h fit and coarse 0.7mm pitch, enabling quick assembly and vibration resistance
• Flush mounting capability with standard 90° flat head profile, ideal for applications where a smooth surface finish is critical
• Full threading for maximum grip length, providing uniform clamping force across the entire fastener length
• Compliance with international standards including ISO 14581, ensuring interchangeability and quality consistency in global supply chains

Professional Applications & Engineering Value

These M4 flat head screws with Torx T20 drive deliver exceptional engineering value in applications requiring reliable fastening with minimal protrusion. The zinc-plated alloy steel construction provides excellent corrosion protection for machinery, automotive assemblies, and electronic enclosures operating in humid or chemically aggressive environments. The Class 8.8 strength rating and Rockwell C22 hardness ensure these metric screws maintain structural integrity under dynamic loads and vibration, preventing loosening in precision equipment. The coarse thread design with 0.7mm pitch facilitates rapid installation in production lines while the fully threaded configuration maximizes pull-out resistance. These industrial fasteners solve critical challenges in manufacturing where both aesthetic requirements (flush mounting) and mechanical performance are paramount.

Specification Summary & Compliance

This M4 x 0.7mm flat head screw features precise Class 6h thread fit per metric standards with right-hand threading and standard 90° countersink angle. Manufacturing complies with ISO 14581 specifications for dimensional accuracy and performance. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting the latest environmental regulations for hazardous substance restrictions (SVHC as of 06/14/2023 235).