S-91294A543 M6 x 65 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional Durability: Crafted from black-oxide alloy steel with a Rockwell C32 hardness to resist wear and deformation in demanding industrial environments.
• High Tensile Strength: Rated Class 10.9 with a 120,000 psi tensile strength, ensuring reliable performance under high-stress applications and preventing fastener failure.
• Secure and Flush Installation: Features a standard 90° countersink angle and flat head design for a smooth, flush finish that minimizes protrusion and improves safety.
• Efficient Assembly: The 4 mm hex drive allows for high-torque installation with common tools, speeding up assembly while reducing the risk of stripping.
• Reliable Thread Engagement: Fully threaded M6x1 mm coarse pitch with a Class 6g thread fit provides quick, secure fastening and excellent vibration resistance.
• Corrosion Resistance: The black-oxide finish offers enhanced protection against rust and corrosion, extending the screw's service life.
• Global Compliance: Manufactured to meet DIN 7991/ISO 10642 standards, ensuring dimensional accuracy and interchangeability for international projects.

Professional Applications & Engineering Value

This high-strength flat head screw is engineered to address critical challenges in machinery, automotive, and structural assemblies where flush mounting and vibration resistance are paramount. The black-oxide alloy steel construction, combined with a Class 10.9 strength grade, ensures it can withstand dynamic loads and harsh conditions without loosening or shearing. The fully threaded M6x1 mm coarse pitch design allows for rapid installation and superior grip in materials like steel and aluminum, while the 90° countersink angle ensures a seamless fit that eliminates snagging hazards. Ideal for applications requiring high tensile strength and reliable performance, this screw reduces maintenance needs and enhances the longevity of industrial equipment.

Specification Summary & Compliance

This fastener features precise Metric M6x1 mm coarse threads with a Class 6g thread fit for consistent engagement. It complies with DIN 7991/ISO 10642 manufacturing standards, ensuring dimensional accuracy and reliability. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial use.