S-91310A444 M6 x 45 mm ISO 4014, DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• High hardness rating (Rockwell C32) provides superior resistance to wear and deformation, extending service life in demanding environments.
• Coarse 1 mm pitch thread enables faster assembly and better debris resistance, ideal for industrial settings where speed and reliability are critical.
• Class 6g thread fit guarantees precise, consistent engagement with nuts and threaded holes, minimizing loosening and vibration issues.
• Partially threaded design allows for controlled clamping force and secure fastening in applications requiring specific unthreaded shank sections.
• External hex drive and standard hex head facilitate easy installation with common tools, improving efficiency in assembly lines.
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory acceptance for global supply chains.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this M6 hex head screw addresses critical challenges in machinery, automotive, and structural assemblies. The Class 10.9 steel construction delivers high fatigue resistance, crucial for dynamic loads and vibration-prone environments. With a coarse metric thread and Class 6g fit, it ensures rapid, secure fastening even in conditions with minor misalignments or contamination. The partially threaded shank provides optimal stress distribution, preventing joint failure in high-torque scenarios. By meeting DIN 931 and ISO 4014 standards, it guarantees interchangeability and reliability, making it a trusted choice for engineers seeking durable, RoHS and REACH compliant fastening solutions.

Specification Summary & Compliance

This screw features precise M6 x 1 mm coarse threads with Class 6g tolerance per ISO metric standards, ensuring dimensional accuracy. It is manufactured in accordance with DIN 931 and ISO 4014 specifications, covering material, mechanical properties, and geometry. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms adherence to environmental and safety regulations, supporting sustainable procurement practices.