S-91304A162 M10 x 20 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional durability and corrosion resistance from blue-dyed zinc-plated alloy steel, ideal for harsh industrial environments.
• High tensile strength of 120,000 psi and Class 10.9 rating ensure reliable performance under heavy loads and vibration.
• Precise Class 6g thread fit guarantees smooth assembly and secure fastening in metric applications.
• Hex drive design with 6 mm size provides superior torque transmission and easy installation with standard tools.
• Fully threaded M10 x 1.5 mm coarse thread offers quick engagement and strong holding power in various materials.
• 90° countersink angle and flat head enables a flush, seamless finish for aesthetic and safety-critical assemblies.
• Compliance with DIN 7991/ISO 10642, RoHS 3, and REACH ensures adherence to international quality and environmental standards.

Professional Applications & Engineering Value

This M10 flat head screw is engineered to address common industrial challenges such as component loosening under dynamic loads and corrosion in demanding environments. The Class 10.9 metric screw with blue-dyed zinc-plated alloy steel construction provides a robust barrier against moisture and chemicals, extending service life in machinery, automotive, and structural applications. Its coarse thread with 1.5 mm pitch and hex drive ensures rapid, secure installation, reducing assembly time while maintaining high tensile strength and Rockwell C32 hardness. Ideal for fastening metal frames, enclosures, and equipment where a flush surface and reliable, heavy-duty performance are critical.

Specification Summary & Compliance

This fastener meets precise dimensional tolerances, including Class 6g thread fit per metric standards and a 90° countersink angle. It conforms to DIN 7991/ISO 10642 specifications for flat head screws, ensuring consistent quality and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its safety for use in regulated industries without hazardous substances.