S-91294A544 M6 x 75 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional Load-Bearing Capacity: Class 10.9 strength grade and 120,000 psi tensile strength ensure reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior Corrosion Protection: Black-oxide coating on alloy steel provides enhanced resistance to rust and wear, extending service life in demanding industrial environments.
• Precision Thread Engagement: Fully threaded M6x1mm coarse thread with Class 6g fit offers consistent, secure fastening and reduces cross-threading during installation.
• Optimized Countersunk Design: Standard flat head with 90° countersink angle allows for a flush finish, minimizing protrusion and improving safety in assembled structures.
• High Durability & Hardness: Rockwell C32 hardness ensures the screw maintains integrity under repeated loads and vibrations, ideal for machinery and equipment.
• Broad Industry Compliance: Meets DIN 7991/ISO 10642 standards for dimensional accuracy, along with RoHS 3 and REACH regulations, ensuring safe and eco-friendly use.
• Efficient Installation: Hex socket drive (4 mm) enables quick, tool-friendly tightening, saving time in assembly lines and maintenance tasks.

Professional Applications & Engineering Value

This M6 flat head socket screw is engineered to address critical challenges in industrial fastening, such as vibration loosening and corrosion in harsh conditions. The black-oxide alloy steel construction, combined with a Class 10.9 high tensile strength, provides robust resistance to mechanical stress, making it ideal for heavy-duty applications in automotive, machinery, and construction sectors. The fully threaded design with a coarse thread pitch ensures rapid installation and reliable grip in materials like metal and composites, while the 90° countersink angle facilitates seamless integration into surfaces, reducing aerodynamic drag or snag risks. By adhering to DIN 7991/ISO 10642 standards, this screw delivers consistent performance in precision assemblies, enhancing overall project reliability and reducing downtime.

Specification Summary & Compliance

This fastener features precise metric threading with a Class 6g thread fit for accurate engagement, and dimensions including a 75 mm length, M6x1 mm thread size, and 12 mm head diameter. It complies with DIN 7991/ISO 10642 specifications for flat head screws, ensuring dimensional uniformity. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to environmental and safety regulations without hazardous substances.