S-91239A455 M8 x 70 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 strength and reliability with Class 10.9 rating and 140,000 psi tensile strength, ideal for high-stress industrial applications
- Superior corrosion resistance from the black-oxide finish on alloy steel, extending service life in harsh environments
- Optimized fastening efficiency with a fully threaded M8 x 1.25mm coarse pitch design for quick installation and secure hold
- High durability and wear resistance due to Rockwell C32 hardness, maintaining performance under repeated use
- Secure and easy drive engagement with 5mm hex drive, reducing slippage and tool wear during assembly
- Broad compatibility and standardization meeting ISO 7380, ensuring interchangeability and quality in global projects
- Environmentally compliant and safe with RoHS 3 and REACH adherence, supporting sustainable manufacturing practices
Professional Applications & Engineering Value
This M8 x 1.25mm Class 10.9 black-oxide alloy steel rounded head hex screw delivers robust performance in demanding sectors like machinery, automotive, and construction. The fully threaded coarse pitch design ensures rapid, vibration-resistant fastening, while the black-oxide surface treatment combats rust and oxidation in humid or corrosive settings. With a high tensile strength of 140,000 psi and Rockwell C32 hardness, it withstands heavy loads and impacts, reducing failure risks in critical assemblies. Its ISO 7380 compliance guarantees precise dimensions and reliable fit, streamlining maintenance and upgrades. Ideal for industrial fasteners requiring durability and compliance, this screw minimizes downtime and enhances long-term structural integrity.
Specification Summary & Compliance
This screw features an M8 thread size with 1.25mm coarse pitch and Class 6g thread fit for consistent engagement. It adheres to ISO 7380 standards for dimensional accuracy and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material quality.
