S-91263A467 M6 x 50 mm DIN 7991 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with zinc-plated alloy steel construction providing superior corrosion resistance for long service life
• Maximum load-bearing capacity thanks to Class 12.9 strength rating and 170,000 PSI tensile strength for heavy-duty applications
• Precision installation with 4mm hex drive ensuring secure torque transfer and reduced tool slippage
• Optimized thread engagement through partially threaded design and M6 coarse thread for faster assembly and reliable holding power
• Industry-standard compliance with DIN 7991 specifications ensuring consistent performance and interchangeability
• Enhanced safety and reliability with Rockwell C39 hardness maintaining structural integrity under extreme conditions
• Environmental responsibility through RoHS 3 and REACH compliance for sustainable manufacturing practices

Professional Applications & Engineering Value

These Class 12.9 metric flat head screws are engineered to solve critical fastening challenges in demanding industrial environments. The zinc-plated alloy steel construction provides exceptional corrosion resistance, while the M6 coarse thread with 1mm pitch ensures rapid installation and superior vibration resistance. The partially threaded design allows for precise clamping force distribution, making them ideal for machinery assembly, construction applications, and heavy equipment where joint integrity is paramount. The 4mm hex drive facilitates efficient installation in confined spaces, and the flat head profile creates flush surfaces for safety-critical applications. These high-strength fasteners deliver reliable performance in automotive, industrial machinery, and structural applications where failure is not an option.

Specification Summary & Compliance

This M6 flat head screw features precise Class 5g6g thread fit according to ISO standards, ensuring consistent engagement and reliable performance. The fastener meets DIN 7991 manufacturing specifications for dimensional accuracy and mechanical properties. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and workplace safety. With 18mm minimum thread length and 50mm overall length, these screws maintain strict tolerance control for professional applications requiring precision fastening solutions.