S-91280A666 M10 x 140 mm ISO 4014, DIN 931, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Class 8.8 strength grade and 110,000 psi tensile strength for reliable performance in demanding applications
• Enhanced corrosion resistance from zinc plating, extending service life in harsh industrial environments
• Secure and efficient installation with external hex drive and hex head design for easy torque application
• Optimized thread engagement through coarse 1.5 mm pitch and Class 6h thread fit, ensuring vibration resistance
• Versatile partial threading allowing for both clamping and alignment functions in assembly operations
• Superior material durability with steel construction and Rockwell C21 hardness for long-term reliability
• Global compliance assurance meeting ISO 4014, DIN 931, RoHS 3, and REACH standards for international projects

Professional Applications & Engineering Value

This M10 hex head screw delivers critical engineering solutions for heavy-duty industrial applications where fastener failure is not an option. The Class 8.8 steel construction provides exceptional tensile strength to withstand substantial mechanical stresses in machinery, structural frameworks, and equipment assembly. The zinc plated finish offers essential corrosion protection in environments exposed to moisture or chemicals, while the partially threaded design allows for precise clamping force distribution. With coarse metric threading and external hex drive, installation becomes more efficient while maintaining vibration resistance in dynamic operating conditions. These industrial screws are engineered to solve common fastening challenges including joint integrity, maintenance frequency, and compliance requirements across global manufacturing sectors.

Specification Summary & Compliance

This fastener maintains Class 6h thread fit tolerance according to metric standards, ensuring precise thread engagement. Manufacturing complies with ISO 4014 and DIN 931 specifications for dimensional accuracy and mechanical properties. The product meets ISO 898 requirements for mechanical properties of fasteners and demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for international industrial markets and regulated applications.