S-95327A673 M12 x 40 mm ISO 4014, DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional strength with Class 10.9 rating and 150,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance from zinc yellow-chromate plating that extends service life in harsh environments
• Precise thread engagement with Class 6h fit and M12 coarse thread ensuring secure fastening and vibration resistance
• Optimized load distribution through partial threading design that maintains structural integrity under heavy loads
• Easy installation and removal with standard 19mm external hex head compatible with common tools
• International compliance meeting ISO 4014/DIN 931 specifications for global project compatibility
• Consistent performance backed by Rockwell C32 hardness rating for dimensional stability and wear resistance

Professional Applications & Engineering Value

This M12 hex head screw delivers exceptional engineering value for heavy-duty industrial applications where reliability is paramount. The Class 10.9 steel construction provides superior load-bearing capacity, making it ideal for structural assemblies, machinery frames, and equipment manufacturing. The zinc yellow-chromate plating offers enhanced corrosion protection, significantly extending service life in challenging environments while maintaining consistent performance. With its metric coarse thread and 1.75mm pitch, this partially threaded fastener ensures optimal stress distribution and prevents loosening under vibration. The external hex drive design allows for high-torque installation, making it perfect for applications requiring precise clamping force and repeated maintenance access in construction, automotive, and industrial machinery sectors.

Specification Summary & Compliance

This high-strength hex head screw features precise Class 6h thread fit tolerance with M12 x 1.75mm coarse thread and 30mm minimum thread length. Manufactured to ISO 4014/DIN 931 specifications, the fastener ensures dimensional accuracy and interchangeability. The 40mm length and partially threaded design provide optimal performance characteristics. The zinc yellow-chromate plating surface treatment meets industry standards for corrosion protection, while the Class 10.9 strength rating guarantees consistent mechanical properties and reliability in demanding applications.