S-91304A108 M3 x 6 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws
Alloy Steel Hex Drive Flat Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional tensile strength of 120,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
- Class 10.9 strength grade provides superior durability and load-bearing capacity, ideal for demanding mechanical assemblies.
- Blue zinc-plated alloy steel construction offers enhanced corrosion resistance and easy part identification in complex assemblies.
- Fully threaded design with M3 coarse pitch (0.5mm) allows for quick installation and secure fastening in various materials.
- Hex drive (2mm) and flat head profile enable easy, tool-compatible installation and a flush finish for streamlined surfaces.
- Compliance with DIN 7991/ISO 10642 standards guarantees precise dimensions and consistent quality for international engineering projects.
- RoHS 3 and REACH compliant ensures environmental safety and regulatory adherence for global supply chains.
Professional Applications & Engineering Value
These M3 flat head screws are engineered from blue-dyed zinc-plated alloy steel to address common industrial challenges such as vibration loosening and corrosion in harsh environments. The Class 10.9 strength rating and Rockwell C32 hardness provide exceptional resistance to shear and tensile stresses, making them ideal for high-strength fastening in machinery, automotive components, and electronic enclosures. The fully threaded metric coarse thread design ensures maximum grip and stability, while the 90° countersink angle allows for seamless integration into flush-mounted applications. By meeting DIN 7991/ISO 10642 specifications, these screws deliver reliable performance in precision engineering and assembly lines, reducing maintenance needs and enhancing operational efficiency.
Specification Summary & Compliance
This metric flat head screw features precise M3 x 0.5mm coarse threads with a Class 6g thread fit for consistent engagement and tolerance. Manufactured to DIN 7991 and ISO 10642 standards, it ensures dimensional accuracy and interoperability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible sourcing and usage in global markets.
