S-91310A718 M12 x 40 mm ISO 4017, DIN 933 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 under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• High hardness rating of Rockwell C32 provides excellent wear resistance and durability, extending the service life of your assemblies.
• Fully threaded M12 coarse pitch design offers superior grip and faster installation, ideal for quick assembly in industrial settings.
• Class 10.9 strength grade guarantees high yield strength, making it suitable for critical connections that require dependable load-bearing capacity.
• External hex drive and hex head allow for easy tightening with standard tools, improving installation efficiency and reducing labor time.
• Compliance with ISO 4017 and DIN 933 standards ensures dimensional accuracy and interchangeability, providing peace of mind for precision engineering projects.
• RoHS 3 and REACH compliant materials meet environmental regulations, supporting sustainable and safe manufacturing practices.

Professional Applications & Engineering Value

This M12 hex head screw is engineered to address common industrial challenges such as vibration loosening and structural fatigue. Made from high-grade steel with a Class 10.9 rating, it delivers robust performance in heavy machinery, automotive assemblies, and construction frameworks. The fully threaded and coarse pitch design ensures maximum thread engagement and holding power, reducing the need for frequent maintenance. Its external hex drive facilitates quick installation with common tools, streamlining production lines. By adhering to ISO 4017 and DIN 933 standards, this fastener provides reliable fit and function, making it a trusted choice for engineers seeking durability and compliance in industrial applications.

Specification Summary & Compliance

This product features precise Metric M12 x 1.75mm threads with a Class 6g thread fit for accurate mating. It complies with ISO 4017 and DIN 933 manufacturing specifications, ensuring consistent quality and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for global industrial use.