S-95327A814 M20 x 80 mm ISO 4014, DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capability with Class 10.9 strength grade, supporting up to 150,000 psi tensile strength for demanding structural applications
• Superior corrosion resistance through zinc yellow-chromate plating, extending service life in harsh industrial environments
• Optimized torque transmission with external hex drive and 30mm head width, ensuring secure installation with standard tools
• Reliable thread engagement with coarse 2.5mm pitch and Class 6h thread fit, preventing cross-threading in heavy-duty assemblies
• Versatile partial threading design combining 46mm threaded section with 80mm total length, ideal for both clamping and alignment functions
• Consistent dimensional accuracy manufactured to ISO 4014/DIN 931 specifications, ensuring interchangeability across global projects
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for environmentally responsible procurement

Professional Applications & Engineering Value

This M20 hex head screw delivers critical engineering solutions where vibration resistance and structural integrity are paramount. The Class 10.9 steel construction with Rockwell C32 hardness provides exceptional fatigue resistance in dynamic loading scenarios, while the coarse metric thread with 2.5mm pitch maintains holding power in softened materials or high-vibration environments. The zinc yellow-chromate finish creates a sacrificial barrier against oxidation, making these partially threaded fasteners ideal for construction machinery, structural steel connections, and industrial equipment assembly. Engineers specify this ISO 4014-compliant fastener for applications requiring predictable clamp load distribution and repeated disassembly capability without thread degradation.

Specification Summary & Compliance

Manufactured to ISO 4014 specifications (equivalent to DIN 931) with Class 6h thread tolerance ensuring precise fitment. The metric coarse thread (M20 x 2.5mm) provides optimal engagement characteristics, while the 80mm length with 46mm minimum thread length offers versatile application coverage. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmentally responsible manufacturing and chemical safety standards for global industrial use.