S-91274A149 M8 x 25 mm ASTM B117, DIN 912, ISO 4762 Alloy Steel Socket Head Screws
Alloy Steel Socket 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-flake coating protects against harsh environments, extending service life and reducing maintenance needs.
- High hardness rating (Rockwell C37) provides excellent wear resistance, maintaining thread integrity through repeated use.
- Precision Class 5g6g thread fit offers consistent engagement and vibration resistance, crucial for stable assemblies.
- Fully threaded M8 coarse pitch design allows for faster installation and superior holding power in various materials.
- Standard hex socket drive (6mm) enables easy installation with common tools, minimizing assembly time and effort.
- Compliance with DIN 912 and ISO 4762 standards guarantees dimensional accuracy and interoperability in global engineering projects.
Professional Applications & Engineering Value
Engineered for demanding environments, these Class 12.9 socket head cap screws deliver unmatched reliability in heavy machinery, automotive systems, and industrial equipment. The zinc-flake-coated alloy steel construction combats corrosion and wear, addressing common failure points in exposed or high-vibration settings. With a coarse M8 x 1.25mm thread, these fasteners provide quick, secure fastening in soft materials or where rapid assembly is critical. The fully threaded design ensures uniform stress distribution, reducing the risk of loosening under dynamic loads. Ideal for applications requiring high tensile strength and durability, these screws meet rigorous standards to support precision engineering and long-term operational safety.
Specification Summary & Compliance
This M8 socket head cap screw features a 25mm length with Class 5g6g thread fit per ISO metric standards, ensuring precise dimensional accuracy. It complies with DIN 912 and ISO 4762 for head and drive specifications, and ASTM B117 for corrosion testing. The product is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, adhering to environmental and safety regulations for industrial use.
