S-91239A416 M8 x 12 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
- Superior strength and durability with Class 10.9 grade and 140,000 psi tensile strength, ensuring reliable performance in high-stress applications.
- Excellent corrosion resistance provided by the black-oxide finish on alloy steel, extending service life in harsh industrial environments.
- Secure and efficient fastening thanks to the fully threaded M8 x 1.25mm coarse pitch design, which allows for quick installation and strong hold.
- Easy installation and removal with a 5mm hex drive and rounded button head, reducing tool slippage and saving time during assembly.
- Precise thread fit with Class 6g tolerance, ensuring consistent engagement and reducing the risk of cross-threading in metric assemblies.
- High hardness rating of Rockwell C32, providing wear resistance and maintaining fastener integrity under repeated use.
- Compliance with international standards including ISO 7380, RoHS 3, and REACH, guaranteeing safety and environmental responsibility for global supply chains.
Professional Applications & Engineering Value
This M8 x 1.25mm Class 10.9 black-oxide alloy steel rounded head hex screw is engineered to address common industrial challenges such as vibration loosening and corrosion in demanding settings. The fully threaded coarse pitch metric design ensures rapid assembly and robust clamping force, ideal for machinery, automotive, and construction applications where high tensile strength is critical. The black-oxide surface treatment enhances corrosion resistance, reducing maintenance needs in humid or abrasive environments. By adhering to ISO 7380 standards, this hex screw delivers consistent performance, minimizing downtime and enhancing the reliability of heavy-duty fastening systems.
Specification Summary & Compliance
This screw features precise Class 6g thread fit and M8 x 1.25mm coarse pitch threading per metric standards, ensuring dimensional accuracy for secure fastening. It complies with ISO 7380 for design and manufacturing, along with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for environmentally conscious industrial use.
