S-91239A457 M8 x 80 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 durability with 140,000 psi tensile strength and Rockwell C32 hardness for reliable performance in high-stress environments.
- Superior corrosion resistance thanks to the black-oxide coating on alloy steel, extending service life in harsh industrial conditions.
- Easy installation and removal with a 5 mm hex drive and standard button head design, reducing assembly time and tool wear.
- Secure and precise fastening ensured by Class 6g thread fit and coarse 1.25 mm pitch, minimizing loosening under vibration.
- Full thread coverage along the 80 mm length provides consistent clamping force and versatility in various material thicknesses.
- Compliance with international standards including ISO 7380, RoHS 3, and REACH, ensuring safety and environmental responsibility.
- High-strength Class 10.9 rating delivers dependable load-bearing capacity for critical applications in machinery and construction.
Professional Applications & Engineering Value
This M8 button head screw is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding environments. Made from black-oxide alloy steel, it offers enhanced protection against rust and wear, making it ideal for automotive assemblies, heavy machinery, and structural frameworks. The fully threaded design with a coarse 1.25 mm pitch ensures quick installation and strong grip in materials like metal and composites, while the hex drive allows for high-torque application without slippage. By meeting ISO 7380 specifications, it guarantees dimensional accuracy and interoperability, reducing downtime and maintenance costs in professional settings.
Specification Summary & Compliance
This fastener features precise Class 6g thread fit and metric coarse threading with M8 x 1.25mm dimensions and an 80 mm length, adhering to ISO 7380 standards for consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance management. Manufactured to Class 10.9 strength grade, it meets high tensile and hardness requirements for reliable use in industrial applications.
