S-90854A326 M20 x 95 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 grade and 150,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance through zinc yellow-chromate plating that protects against industrial environments and extends service life
• Optimized thread engagement with M20 coarse thread (2.5mm pitch) ensuring quick assembly and reduced cross-threading risks
• Precise mechanical properties featuring Rockwell C32 hardness for consistent performance and resistance to deformation under stress
• Secure fastening solution with external hex drive and 30mm head width providing excellent torque transmission and installation control
• Engineering efficiency through partial threading design that concentrates threads where needed while reducing weight and material costs
• Global compatibility meeting ISO 4014/DIN 931 specifications for seamless integration into international industrial projects

Professional Applications & Engineering Value

This M20 hex head screw delivers critical engineering value in heavy machinery, structural steel connections, and industrial equipment assembly where high tensile strength and reliable performance are paramount. The Class 10.9 steel construction combined with zinc yellow-chromate plating addresses common industrial challenges including vibration-induced loosening, environmental corrosion, and mechanical stress. The coarse thread metric design with 2.5mm pitch ensures rapid installation in tough materials while the partially threaded configuration provides optimal clamping force distribution. Engineered to ISO 4014/DIN 931 standards, this external hex drive fastener offers predictable performance in critical applications from construction to manufacturing, reducing maintenance intervals and improving operational safety.

Specification Summary & Compliance

This hex head screw features precise Class 6h thread fit tolerance ensuring consistent engagement and reliable fastening performance. Manufactured to ISO 4014/DIN 931 specifications with metric coarse threading (M20x2.5), the fastener delivers dimensional accuracy across all critical parameters including head dimensions (30mm width, 12.5mm height) and 95mm total length. The product complies with international mechanical property standards for Class 10.9 strength grade and meets environmental regulations including RoHS and REACH compliance for industrial use.