S-91290A460 M8 x 70 mm 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
- Maximum load-bearing capability with Class 12.9 strength rating and 170,000 psi tensile strength for critical structural applications
- Enhanced corrosion resistance through black-oxide surface treatment, extending service life in demanding environments
- Precise torque transmission via 6mm hex drive socket, preventing tool slippage and ensuring consistent fastening
- Optimized thread engagement with M8x1.25mm coarse thread design for faster installation and reduced cross-threading risk
- Superior material durability from alloy steel construction with Rockwell C37 hardness, resisting deformation under extreme loads
- Versatile partial threading allowing unthreaded shank section for precise clamping and alignment in assembled components
- Global compliance assurance meeting DIN 912/ISO 4762 standards with RoHS 3 and REACH environmental regulations
Professional Applications & Engineering Value
These Class 12.9 socket head cap screws deliver exceptional engineering value in heavy machinery, automotive assemblies, and industrial equipment where vibration resistance and high tensile strength are paramount. The black-oxide alloy steel construction provides superior protection against rust and chemical exposure, while the M8 coarse thread (1.25mm pitch) ensures rapid installation in high-volume production environments. The partially threaded design enables precise load distribution, preventing joint loosening in dynamic applications. With 170,000 psi tensile strength and Rockwell C37 hardness, these metric socket head screws maintain clamping force under extreme conditions, solving common fastener failure points in critical assemblies.
Specification Summary & Compliance
Manufactured to DIN 912 / ISO 4762 specifications with Class 5g6g thread fit tolerance ensuring precise engagement. The 70mm length provides 28mm minimum thread length with coarse thread spacing (M8x1.25mm). Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting international standards for industrial fastener applications.
