S-91310A442 M6 x 40 mm ISO 4014, DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 10.9 high-strength steel construction, ensuring reliable performance under heavy loads and reducing replacement frequency.
• Secure fastening with precise thread control due to the partially threaded design and Class 6g fit, minimizing loosening in vibration-prone environments.
• High tensile strength of 150,000 psi provides superior resistance to breaking, ideal for demanding structural and machinery applications.
• Easy installation and removal with the external hex drive and standard 10 mm head width, compatible with common tools for efficient maintenance.
• Rockwell C32 hardness offers excellent wear resistance, extending service life in abrasive industrial conditions.
• Compliance with ISO 4014/DIN 931 standards guarantees dimensional accuracy and interchangeability, streamlining procurement and assembly processes.
• RoHS 3 and REACH regulatory adherence ensures environmental safety and broad usability across global markets without hazardous substance concerns.

Professional Applications & Engineering Value

This M6 hex head screw is engineered to address critical challenges in industrial settings, such as vibration-induced loosening and high-stress fatigue. Crafted from Class 10.9 steel, it delivers robust tensile strength and hardness, making it suitable for heavy-duty machinery, automotive assemblies, and construction frameworks where reliability is paramount. The coarse thread and partially threaded design enhance grip in materials like metal and thick plastics, reducing the risk of strip-out while allowing for adjustable clamping force. With an external hex drive for quick tool engagement, it simplifies maintenance in tight spaces, boosting operational efficiency. Compliance with ISO 4014 and DIN 931 standards ensures consistent quality, supporting seamless integration into global supply chains for B2B procurement.

Specification Summary & Compliance

This fastener features an M6 x 1 mm coarse thread with a Class 6g tolerance for precise fit, a minimum thread length of 18 mm, and a total length of 40 mm. It meets ISO 4014 and DIN 931 specifications for dimensional accuracy and manufacturing consistency. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards in industrial applications.