S-91263A493 M12 x 30 mm DIN 7991 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 170,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc-plated alloy steel construction extends service life and maintains integrity in harsh environments.
- High hardness rating (Rockwell C39) provides excellent wear resistance, minimizing deformation under heavy loads.
- Full threading and coarse pitch enable quick, secure installation and strong holding power in various materials.
- Hex drive design with 8mm drive size allows for easy, high-torque installation using standard tools, improving assembly efficiency.
- Precision Class 5g6g thread fit ensures consistent, accurate engagement with mating components, reducing assembly issues.
- Compliance with DIN 7991, RoHS 3, and REACH guarantees adherence to international standards for safety and environmental regulations.
Professional Applications & Engineering Value
This M12 flat head screw is engineered to address critical challenges in heavy-duty industrial settings, such as machinery assembly, structural frameworks, and automotive components. The zinc-plated alloy steel offers robust protection against corrosion, while the Class 12.9 strength grade and fully threaded design provide superior clamping force and vibration resistance. The flat head with a 90° countersink angle ensures a flush fit, reducing protrusion risks and enhancing safety. Ideal for applications requiring high reliability, this metric screw with coarse thread simplifies maintenance and upgrades, delivering long-term value in demanding environments like construction and manufacturing.
Specification Summary & Compliance
This fastener adheres to precise Class 5g6g thread fit tolerances per ISO standards, ensuring dimensional accuracy for consistent performance. It meets DIN 7991 specifications for flat head screws and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for global industrial use without hazardous substances.
