S-91239A620 M12 x 40 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 tensile strength of 140,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
- Superior corrosion resistance from the black-oxide finish on alloy steel, extending service life and maintaining integrity in harsh industrial environments.
- High hardness rating of Rockwell C32 provides excellent wear resistance, minimizing deformation during installation and repeated use.
- Coarse thread spacing with Class 6g fit allows for faster assembly and secure fastening, even in materials with slight variations.
- Fully threaded design offers consistent grip along the entire 40mm length, enhancing load distribution and joint stability.
- Hex drive compatibility with an 8mm drive size enables easy installation using standard tools, reducing assembly time and labor costs.
- Compliance with ISO 7380 and environmental regulations like RoHS 3 and REACH ensures product reliability and safe use in global markets.
Professional Applications & Engineering Value
This M12 x 1.75mm Class 10.9 black-oxide alloy steel rounded head screw is engineered to address critical challenges in heavy-duty industrial assemblies, such as machinery, automotive components, and structural frameworks. The metric coarse thread and fully threaded design provide superior resistance to vibration loosening, ensuring long-term joint integrity in high-load scenarios. Made from alloy steel with a black-oxide surface treatment, it combats corrosion and wear, reducing maintenance needs and downtime. Its hex drive facilitates quick installation with common tools, streamlining production lines while meeting ISO 7380 standards for consistent quality and performance in demanding engineering applications.
Specification Summary & Compliance
This fastener features precise Class 6g thread fit and coarse thread spacing with a pitch of 1.75mm, adhering to ISO 7380 manufacturing specifications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for industrial use.
