S-91294A208 M5 x 10 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 120,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior corrosion resistance from the black-oxide coating extends service life in harsh industrial environments, minimizing maintenance needs.
• High hardness rating (Rockwell C32) provides excellent wear resistance, maintaining thread integrity over repeated use.
• Coarse thread design with Class 6g fit allows for quick, secure installation and reduced cross-threading risks.
• Fully threaded shank offers consistent clamping force along the entire length, enhancing joint stability.
• Standard 90° countersink angle ensures a flush finish, ideal for applications requiring a smooth surface.
• Compliance with DIN 7991/ISO 10642 guarantees dimensional accuracy and interchangeability, streamlining procurement and assembly.

Professional Applications & Engineering Value

This M5 flat head screw in black-oxide alloy steel is engineered to address critical industrial fastening challenges, such as vibration loosening and environmental degradation. The Class 10.9 strength grade and fully threaded metric design deliver robust performance in heavy machinery, automotive assemblies, and structural frameworks where high tensile loads are common. The coarse thread pitch (0.8mm) facilitates faster installation in tough materials, while the hex drive ensures secure tool engagement, reducing slippage during torque application. Its corrosion-resistant coating and compliance with DIN 7991/ISO 10642 standards make it a dependable choice for OEMs and maintenance teams seeking durability and regulatory adherence in demanding environments.

Specification Summary & Compliance

This fastener adheres to precise metric dimensions, including a thread size of M5 with a Class 6g thread fit for consistent tolerance. It meets DIN 7991/ISO 10642 specifications for flat head screws, ensuring reliable performance in standardized applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible sourcing and use in global markets.