S-91304A141 M6 x 50 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 10.9 strength rating and 120,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance through blue-dyed zinc plating that provides both aesthetic appeal and enhanced protection
• Precision flush mounting with 90° countersink angle and flat head design for seamless surface integration
• Optimized thread engagement through partially threaded design with 18mm thread length for secure fastening
• Easy installation and removal with 4mm hex drive that prevents stripping and allows high torque application
• Industry-standard compatibility with M6 x 1mm coarse thread and Class 6g fit for consistent performance
• Regulatory compliance assurance meeting DIN 7991, ISO 10642, RoHS 3, and REACH standards for global acceptance

Professional Applications & Engineering Value

These Class 10.9 metric flat head screws deliver exceptional engineering value in industrial settings where vibration resistance and structural integrity are paramount. The blue-dyed zinc-plated alloy steel construction provides superior corrosion protection while maintaining the high tensile strength required for heavy-duty applications. The partially threaded design with precise 18mm thread length ensures optimal clamping force distribution, preventing material distortion in assembly operations. The 90° countersink angle and flat head profile enable perfect flush mounting in machinery, automotive components, and structural frameworks, eliminating protrusions that could interfere with moving parts or create safety hazards. These M6 hex screws are engineered to withstand extreme conditions while maintaining their integrity, making them ideal for production lines, equipment manufacturing, and maintenance operations where reliability cannot be compromised.

Specification Summary & Compliance

Manufactured to exacting Class 6g thread fit tolerance standards with M6 x 1mm coarse threading for consistent engagement. These metric flat head screws comply with DIN 7991 and ISO 10642 specifications, ensuring dimensional accuracy and performance reliability. The fastener meets RoHS 3 (2015/863/EU) compliance for restricted substance control and REACH (EC 1907/2006) regulations regarding chemical safety. With Rockwell C32 hardness and verified Class 10.9 strength classification, these screws deliver guaranteed mechanical properties for professional industrial applications.