S-95327A829 M20 x 120 mm ISO 4014, DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Class 10.9 strength rating and 150,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance through zinc yellow-chromate plating that extends service life in harsh industrial environments
• Optimized fastening efficiency with partial threading design that provides superior clamping force distribution
• Precise dimensional accuracy with Class 6h thread fit ensuring consistent performance and easy installation
• Enhanced durability from Rockwell C32 hardness that maintains structural integrity under repeated stress
• Easy installation and removal with external hex drive and 30mm head width for standard tool compatibility
• International compliance assurance meeting both DIN 931 and ISO 4014 standards for global project compatibility

Professional Applications & Engineering Value

This M20 hex head screw delivers critical engineering solutions for industrial applications where high tensile strength and reliability are paramount. The Class 10.9 steel construction with Rockwell C32 hardness provides exceptional resistance to vibration loosening and structural fatigue, making it ideal for heavy machinery, structural steel connections, and industrial equipment assembly. The zinc yellow-chromate plating offers superior protection against corrosion in challenging environments, while the metric coarse thread with 2.5mm pitch ensures quick installation and secure fastening. The partially threaded design concentrates clamping force precisely where needed, preventing joint slippage in construction and manufacturing applications where precise load distribution is critical.

Specification Summary & Compliance

This hex head screw features precise Class 6h thread fit tolerance with M20 x 2.5mm metric coarse threading and 46mm minimum thread length. Manufactured to exact DIN 931/ISO 4014 specifications, the fastener maintains dimensional accuracy with 120mm total length, 30mm head width, and 12.5mm head height. The external hex drive configuration ensures compatibility with standard industrial tools. Compliance with international standards guarantees consistent performance across global industrial applications, meeting rigorous quality and safety requirements for professional use.