S-91352A171 M12 x 20 mm ISO 7380 Steel Button Head Hex-Drive Screws
Steel Button Head Hex-Drive 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 140,000 PSI tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance through blue-dyed zinc plating that protects against environmental degradation
- Precise torque application enabled by the 8mm hex drive design for secure fastening without stripping
- Optimized thread engagement with M12 coarse pitch (1.75mm) for faster installation and reduced cross-threading risk
- Enhanced durability from Rockwell C32 hardness that maintains structural integrity under repeated stress
- Streamlined assembly with the rounded button head profile that eliminates snagging in tight spaces
- Full regulatory compliance meeting international ISO 7380 standards and environmental directives
Professional Applications & Engineering Value
These Class 10.9 metric hex button head screws deliver critical performance advantages for industrial assembly challenges. The blue-dyed zinc-plated alloy steel construction provides dual protection against corrosion while maintaining the 140,000 PSI tensile strength required for structural applications. The fully threaded M12 x 1.75mm coarse pitch design ensures maximum thread engagement in various materials, reducing the risk of stripping in soft substrates. The rounded head profile with 8mm hex drive offers superior clearance in confined spaces while enabling high-torque installation. These characteristics make these high-strength fasteners ideal for machinery, automotive components, and industrial equipment where vibration resistance and long-term reliability are paramount.
Specification Summary & Compliance
Manufactured to precise ISO 7380 standards with Class 6g thread fit tolerance for consistent performance. The 20mm length and fully threaded design provide versatile fastening solutions. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. The right-hand thread direction and coarse thread spacing follow international metric specifications for broad compatibility.
