S-91290A157 M48 x 180 mm DIN 912 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 load-bearing capacity with Class 12.9 strength rating and 170,000 psi tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance through black-oxide alloy steel construction, extending service life in demanding industrial environments
- Precise torque transmission via 36mm hex drive socket head, ensuring secure installation and preventing tool slippage
- Optimized thread engagement with Class 5g6g thread fit and M48x5 coarse thread pitch for faster assembly and reduced cross-threading risk
- Enhanced durability with Rockwell C37 hardness, maintaining structural integrity under repeated loading cycles
- Versatile partial threading design allowing both threaded and unthreaded sections for flexible clamping applications
- Regulatory compliance assurance meeting DIN 912 standards plus RoHS 3 and REACH environmental directives
Professional Applications & Engineering Value
This M48 socket head cap screw delivers critical engineering solutions for heavy machinery, industrial equipment, and structural assemblies where failure is not an option. The black-oxide alloy steel construction provides superior corrosion protection in harsh environments while maintaining the Class 12.9 strength rating required for high-vibration applications. The metric coarse thread (M48x5) enables rapid installation in thick materials, and the 36mm hex drive accommodates high torque requirements without stripping. With 180mm length and partially threaded design, it offers optimal clamping force distribution in critical joints, making it ideal for construction equipment, manufacturing machinery, and automotive applications where reliability and precision are paramount.
Specification Summary & Compliance
Manufactured to DIN 912 specifications with Class 5g6g thread fit tolerance ensuring precise thread engagement. The metric socket head cap screw features M48x5 coarse threads with 108mm minimum thread length on a 180mm overall length. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting international standards for industrial fastener applications.
