S-91280A316 M12 x 180 mm ISO 4014, DIN 931 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 rating and 110,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance with black oxide surface treatment providing enhanced durability in various industrial environments
• Optimized thread engagement through coarse M12x1.75 threading with Class 6g fit ensuring secure fastening and vibration resistance
• Efficient installation and removal with external hex drive and 19mm head width allowing for standard tool compatibility and quick assembly
• Partial threading design providing unthreaded shank section for precise clamping force distribution and structural integrity
• International compliance assurance meeting ISO 4014 (DIN 931 equivalent) standards for consistent quality and interchangeability
• Environmental responsibility with RoHS 3 and REACH compliance ensuring safe use in regulated industries

Professional Applications & Engineering Value

This M12 hex head screw delivers exceptional engineering value through its Class 8.8 steel construction and ISO 4014 compliance, making it ideal for heavy-duty industrial applications including machinery assembly, structural frameworks, and equipment manufacturing. The coarse thread design (M12x1.75) ensures rapid installation and superior resistance to vibration loosening, while the partial threading configuration provides optimal stress distribution across the 180mm length. The black oxide finish enhances corrosion resistance in challenging environments, and the external hex drive accommodates standard tools for efficient maintenance and assembly operations. With Rockwell C21 hardness and precise Class 6g thread fit, this fastener maintains dimensional stability under high tensile loads, solving critical challenges in industrial fastening where reliability and compliance are paramount.

Specification Summary & Compliance

This metric fastener features precise Class 6g thread tolerance with M12x1.75 coarse threading and partial threading over its 180mm length. Manufacturing complies with ISO 4014 specifications (equivalent to DIN 931) and carries Class 8.8 strength certification. The product fully meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards, ensuring safe use across regulated industries while maintaining the dimensional accuracy and mechanical properties required for professional industrial applications.