S-91263A473 M8 x 12 mm DIN 7991 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 12.9 strength grade, ensuring reliable performance under high-stress conditions and reducing fastener failure risks.
• Superior corrosion resistance from zinc-plated alloy steel, extending service life in harsh industrial environments and minimizing maintenance needs.
• Precise and secure fastening with Class 5g6g thread fit and coarse 1.25mm pitch, providing easy installation and stable connections in various materials.
• High torque capability via the 5mm hex drive and flat head design, allowing for efficient tightening and reduced tool slippage during assembly.
• Full thread engagement along the 12mm length, maximizing grip strength and distribution for enhanced structural integrity in applications.
• Compliance with international standards including DIN 7991, RoHS 3, and REACH, ensuring safety, environmental responsibility, and global acceptance.
• Robust mechanical properties with 170,000 psi tensile strength and Rockwell C39 hardness, offering resistance to wear and deformation in demanding uses.

Professional Applications & Engineering Value

This M8 flat head screw is engineered to address critical challenges in industrial settings, such as vibration loosening and material fatigue. Made from zinc-plated alloy steel, it provides excellent corrosion protection, reducing downtime in machinery and equipment exposed to moisture or chemicals. The fully threaded metric screw with coarse thread spacing ensures quick, reliable fastening in metals and composites, while the Class 12.9 strength and 170,000 psi tensile capacity handle heavy loads without stripping or shearing. Ideal for automotive, construction, and manufacturing applications, its right-hand thread and hex drive design simplify maintenance and assembly, enhancing productivity and longevity in high-tensile strength environments.

Specification Summary & Compliance

This fastener adheres to precise dimensional standards, including Class 5g6g thread fit for consistent accuracy and M8 x 1.25mm coarse thread specifications per DIN 7991. It meets regulatory requirements such as RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and material integrity. The manufacturing process guarantees high tensile strength and hardness, supporting reliable performance in industrial applications.