S-94863A211 M10 x 40 mm ISO 4017, DIN 933 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 psi ensures reliable performance in high-stress applications, preventing fastener failure.
• Superior corrosion resistance from the black protective coating extends service life in harsh or outdoor industrial environments.
• High hardness rating (Rockwell C32) provides excellent wear resistance and durability, maintaining thread integrity through repeated use.
• Coarse thread pitch (1.5mm) allows for quicker installation and better performance in materials prone to stripping or vibration.
• Full threading along the 40mm length offers maximum grip and adjustability, ensuring secure fastening across the entire joint.
• Precision external hex drive and head design enables easy installation with standard tools and high torque application without slippage.
• Compliance with international standards (ISO 4017/DIN 933) guarantees consistent quality, dimensional accuracy, and global interoperability.

Professional Applications & Engineering Value

This M10 hex head screw is engineered to solve critical fastening challenges in demanding industrial settings. The Class 10.9 steel construction and fully threaded design provide superior clamp load and vibration resistance, making it ideal for heavy machinery, structural steelwork, and automotive assemblies where joint integrity is paramount. The corrosion-resistant black coating protects against rust and chemical exposure, significantly reducing maintenance needs in harsh environments. With its metric coarse thread and external hex drive, it ensures rapid, secure installation even in applications with dynamic loads or thermal cycling, delivering long-term reliability and reducing downtime.

Specification Summary & Compliance

This fastener meets ISO 4017 / DIN 933 specifications, ensuring precise dimensional accuracy with a Class 6h thread fit for consistent engagement. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and safe for use in regulated industries. Manufactured to deliver 150,000 psi tensile strength and Rockwell C32 hardness, it adheres to strict quality controls for performance in critical applications.