S-93474A237 M12 x 70 mm ISO 898-1, DIN 6921 High-Strength Metric Class 10.9 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 150,000 psi tensile strength and Rockwell C32 hardness for reliable performance in demanding environments
• Superior corrosion resistance provided by zinc yellow-chromate plating that extends service life in harsh industrial conditions
• Enhanced stability and distribution through the integrated flange design that eliminates the need for separate washers
• Optimized thread engagement with Class 6g thread fit and coarse 1.75mm pitch for faster assembly and secure fastening
• Robust drive system featuring external hex head design that withstands high torque applications without stripping
• Partial threading configuration that provides unthreaded shank strength where maximum clamping force is required
• International compliance assurance meeting ISO 898-1 DIN 6921 standards and REACH regulations for global project suitability

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this Class 10.9 hex head screw delivers exceptional performance where vibration resistance and structural integrity are paramount. The M12 x 1.75mm coarse thread configuration ensures rapid installation while maintaining secure fastening in construction equipment, machinery frames, and structural steel connections. The zinc yellow-chromate plated steel construction provides superior corrosion protection in challenging environments, from manufacturing facilities to outdoor installations. The integrated flange design eliminates washer requirements, streamlining assembly processes while providing increased bearing surface for distributed load management. This partially threaded fastener offers optimal strength in the unthreaded portion while ensuring precise thread engagement where clamping force is critical.

Specification Summary & Compliance

This metric hex head screw features precise Class 6g thread fit tolerance and M12 x 1.75mm coarse thread spacing with 70mm overall length and 30mm minimum thread length. Manufactured to ISO 898-1 DIN 6921 specifications, the fastener demonstrates full compliance with REACH regulations (EC 1907/2006) and carries the Class 10.9 strength grade certification, ensuring consistent performance across industrial applications requiring high tensile strength and reliability.