S-91263A492 M12 x 25 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 applications, reducing the risk of fastener failure.
- Superior corrosion resistance with zinc-plated alloy steel construction, extending service life in harsh industrial environments.
- High torque capability from the 8mm hex drive design, allowing for secure installation and removal with standard tools.
- Precise thread fit (Class 5g6g) and coarse thread spacing for quick assembly and strong holding power in various materials.
- Full threading and 90° countersink angle provide a flush finish and even load distribution, minimizing surface damage.
- Compliance with DIN 7991, RoHS 3, and REACH ensures adherence to international standards for safety and environmental responsibility.
- Rockwell C39 hardness offers excellent wear resistance, maintaining integrity under repetitive loads and vibrations.
Professional Applications & Engineering Value
This M12 flat head screw is engineered for demanding industrial settings where high tensile strength and durability are critical. Made from zinc-plated alloy steel, it resists corrosion in outdoor or chemically exposed environments, reducing maintenance costs. The fully threaded design and Class 5g6g thread fit ensure tight, reliable fastening in machinery, automotive assemblies, and structural frameworks. With an 8mm hex drive, it allows for efficient torque application, speeding up installation in tight spaces. Ideal for heavy-duty applications, this screw addresses common issues like loosening under vibration and provides long-term reliability in construction and manufacturing projects.
Specification Summary & Compliance
This fastener features a metric coarse thread with M12x1.75mm dimensions, 25mm length, and Class 5g6g thread fit for precise tolerances. It meets DIN 7991 specifications for dimensional accuracy and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), it ensures environmental safety and regulatory adherence in global supply chains.
