S-91294A300 M8 x 80 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength with Class 10.9 rating (120,000 PSI) ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Superior corrosion resistance from the black-oxide coating on alloy steel extends service life in humid or industrial environments, minimizing maintenance and replacement costs.
• Precise thread fit (Class 6g) and coarse M8 x 1.25mm threading provide secure, vibration-resistant connections, enhancing assembly stability and safety.
• Easy installation and removal with a 5mm hex drive and standard flat head design allows for efficient tool engagement in confined spaces, speeding up production workflows.
• Full threading along the 80mm length offers consistent grip and adjustability across materials, ideal for varied thicknesses in structural or machinery assemblies.
• Compliance with DIN 7991/ISO 10642 standards guarantees dimensional accuracy and interchangeability, ensuring compatibility with global engineering specifications.
• RoHS 3 and REACH compliance supports environmental and safety regulations, making these screws suitable for eco-conscious industrial sectors.

Professional Applications & Engineering Value

This M8 flat head screw is engineered from black-oxide alloy steel to address common industrial challenges like corrosion and mechanical stress. Its Class 10.9 strength grade and Rockwell C32 hardness provide durability in heavy-duty applications, such as machinery frames, automotive components, and construction assemblies, where high tensile loads are prevalent. The fully threaded metric design with a coarse 1.25mm pitch ensures quick, secure fastening in materials like metal and composites, reducing installation time and improving joint integrity. The hex drive and flat head profile facilitate easy access in tight spaces, enhancing efficiency in maintenance and production lines. By meeting DIN 7991/ISO 10642 standards, these screws deliver consistent performance, making them a reliable choice for engineers seeking precision and longevity in corrosive or high-vibration environments.

Specification Summary & Compliance

This fastener adheres to precise dimensional tolerances, including a Class 6g thread fit for metric coarse threads (M8 x 1.25mm) and a standard 90° countersink angle per ISO 10642 specifications. It conforms to DIN 7991 for flat head screw requirements, ensuring reliable performance in industrial settings. Additionally, the product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various sectors without hazardous substances.