S-90386A110 M8 x 30 mm DIN 6921 Medium-Strength Metric Class 8.8 Steel Serrated-Flange Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in harsh industrial environments
• Exceptional holding power provided by Class 8.8 strength grade and 110,000 psi tensile strength for reliable fastening in demanding applications
• Vibration-resistant locking capability through serrated flange design that prevents loosening under dynamic loads
• Easy installation and removal with external hex drive and standard M8 x 1.25 coarse thread configuration
• Full thread engagement along the entire 30mm length for maximum grip strength and load distribution
• Wide bearing surface with 18mm flange diameter that distributes clamping force evenly and eliminates need for separate washers
• Industry-standard compatibility meeting DIN 6921 specifications for consistent performance across metric applications

Professional Applications & Engineering Value

These M8 hex flange screws deliver exceptional engineering value through their zinc-plated steel construction and serrated locking flange design, specifically engineered to solve common industrial fastening challenges. The combination of Class 8.8 strength rating and 110,000 psi tensile strength ensures reliable performance in heavy machinery, automotive assemblies, and structural applications where vibration resistance is critical. The fully threaded M8 x 1.25 coarse thread configuration provides maximum engagement strength while the integrated flange with serrations creates a positive locking action that eliminates the need for additional locking components. This metric flange screw design is particularly valuable in production environments where assembly speed, reliability, and compliance with European standards are essential for manufacturing efficiency and product longevity.

Specification Summary & Compliance

This hex flange screw features precise M8 x 1.25 coarse threading with Class 6g thread fit tolerance, ensuring compatibility with standard metric components. Manufacturing strictly adheres to DIN 6921 specifications for dimensional accuracy and performance requirements. The product is fully compliant with RoHS 3 (2015/863/EU) environmental directives and REACH (EC 1907/2006) regulations regarding substance restrictions, making it suitable for use across various industrial sectors without environmental concerns.