S-91274A165 M12 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 strength and reliability with Class 12.9 rating and 170,000 psi tensile strength for demanding applications
- Superior corrosion resistance provided by zinc-flake coating, extending service life in harsh environments
- Precise torque transmission through 10mm hex socket drive, ensuring secure installation and reducing tool slippage
- Consistent dimensional accuracy with ISO 4762/DIN 912 compliance for reliable fit and interchangeability
- Optimized load distribution from fully threaded M12x1.75mm coarse thread design, enhancing joint integrity
- Extended durability with Rockwell C37 hardness, maintaining performance under high stress conditions
- Environmental compliance meeting RoHS 3 and REACH standards for safe, sustainable manufacturing
Professional Applications & Engineering Value
This Class 12.9 socket head cap screw delivers critical performance in heavy-duty industrial applications where failure is not an option. The zinc-flake coating provides superior corrosion protection, solving the common problem of fastener degradation in challenging environments. The M12 coarse thread with Class 5g6g fit ensures rapid assembly while maintaining precise engagement, reducing installation time without compromising joint strength. Engineered from alloy steel and heat-treated to achieve 170,000 psi tensile strength, this fastener withstands extreme loads in machinery, automotive systems, and structural applications. The hex socket drive allows for high-torque installation in confined spaces, making it ideal for precision equipment and tight-clearance assemblies where reliability is paramount.
Specification Summary & Compliance
Manufactured to exacting ISO 4762 and DIN 912 standards with Class 5g6g thread fit tolerance for consistent dimensional accuracy. The M12 x 1.75mm coarse thread configuration provides optimal engagement characteristics. Full compliance with ASTM B117 salt spray testing validates corrosion resistance performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for hazardous substance restrictions. The fully threaded design and right-hand thread orientation follow international metric fastener conventions for universal compatibility.
