S-91280A305 M10 x 140 mm ISO 4014, DIN 931 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior load-bearing capacity with Class 8.8 strength grade and 110,000 psi tensile strength for reliable performance in demanding applications
• Enhanced durability and corrosion resistance thanks to black steel construction and Rockwell C21 hardness rating
• Optimized thread engagement with partially threaded design and 32mm minimum thread length for secure fastening in various material thicknesses
• Precise fit and easy installation achieved through Class 6g thread fit and standard M10x1.5 coarse thread profile
• Secure torque transmission enabled by external hex drive and 17mm head width for straightforward wrenching
• Global compatibility assurance with full compliance to ISO 4014 DIN 931 standards for international project specifications
• Environmental responsibility through RoHS 3 and REACH compliance, meeting strict industrial regulatory requirements

Professional Applications & Engineering Value

This M10 hex head screw delivers exceptional engineering value in industrial applications where vibration resistance and structural integrity are critical. The Class 8.8 steel construction provides reliable strength for heavy machinery, construction frameworks, and equipment assembly, while the partially threaded design allows for precise clamping force distribution. The metric coarse thread (M10x1.5) ensures rapid installation and superior holding power in various materials, reducing assembly time without compromising safety. With its external hex drive and standardized dimensions, this fastener integrates seamlessly into existing maintenance protocols and tooling systems, making it an ideal choice for construction, manufacturing, and infrastructure projects requiring durable, specification-compliant fastening solutions.

Specification Summary & Compliance

This hex head screw features precise Class 6g thread fit tolerance according to ISO metric standards, ensuring consistent performance across applications. Manufacturing strictly adheres to ISO 4014 DIN 931 specifications for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial markets requiring certified, environmentally responsible fasteners.