S-91280A939 M24 x 130 mm ISO 4014, DIN 931, SAE J1199, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws
Medium-Strength Metric Class 8.8 Steel Hex Head 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
- Enhanced durability and corrosion resistance with zinc plating, ideal for harsh industrial environments.
- High tensile strength of 110,000 psi ensures reliable performance under heavy loads and stress.
- Class 8.8 strength grade provides consistent mechanical properties for critical applications.
- Partially threaded design allows for secure clamping and easier alignment in assemblies.
- Coarse metric thread (M24 x 3mm) offers quick installation and reduced cross-threading risks.
- External hex drive and hex head enable straightforward tightening with standard tools.
- Compliance with ISO 4014, DIN 931, and SAE J1199 guarantees dimensional accuracy and interchangeability.
Professional Applications & Engineering Value
This M24 hex head screw is engineered to address common industrial challenges, such as vibration loosening and environmental degradation. Made from Class 8.8 steel with a Rockwell C21 hardness, it delivers superior strength and wear resistance, making it suitable for heavy machinery, construction, and automotive assemblies. The zinc-plated finish provides a protective barrier against corrosion, extending service life in outdoor or humid conditions. Its partially threaded and coarse thread design ensures efficient load distribution and easy installation, reducing assembly time and maintenance costs. Ideal for applications requiring high tensile strength and reliable fastening, this screw meets rigorous standards for performance and safety.
Specification Summary & Compliance
This fastener features precise Class 6h thread fit and metric coarse threading with a 3mm pitch, ensuring compatibility and secure engagement. It complies with ISO 4014, DIN 931, and SAE J1199 specifications for dimensional accuracy. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for industrial use.
