S-91306A736 M5 x 50 mm ISO 7380 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 10.9 strength grade and 140,000 psi tensile strength for reliable performance in high-stress applications
• Superior corrosion resistance through zinc-plated alloy steel construction, extending service life in harsh environments
• Optimized thread engagement with M5 coarse pitch (0.8mm) design for faster installation and reduced cross-threading risk
• Secure hex drive system featuring 3mm hex drive for positive torque transmission and reduced tool slippage
• Low-profile button head design providing a finished appearance while maintaining clearance in confined spaces
• Full thread coverage along the 50mm length for maximum grip strength and uniform load distribution
• International compliance assurance meeting ISO 7380 standards for consistent quality and dimensional accuracy

Professional Applications & Engineering Value

These high-strength metric screws deliver critical performance advantages in demanding industrial fastening applications where vibration resistance and structural integrity are paramount. The zinc-plated alloy steel construction provides essential corrosion protection for machinery, automotive assemblies, and outdoor equipment, while the Class 10.9 strength rating ensures reliable performance under dynamic loads and temperature variations. The hex button head design combines the installation efficiency of hex drive with the low-profile benefits of rounded heads, making them ideal for applications where both accessibility and aesthetics matter. The fully threaded M5 x 0.8mm coarse pitch configuration enables rapid assembly in production environments while maintaining excellent holding power in various materials including steel, aluminum, and engineered plastics.

Specification Summary & Compliance

This fastener features precision Class 6g thread fit according to ISO metric standards, ensuring consistent engagement and reliable performance. Manufacturing complies with ISO 7380 specifications for dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, confirming environmental responsibility and material safety. With Rockwell C32 hardness and 140,000 psi tensile strength, these screws deliver verified mechanical performance for critical applications requiring dependable fastening solutions.