S-91029A106 M8 x 35 mm ISO 4017, DIN 933 Extreme-Strength Metric Class12.9 Steel Hex Head Screws
Extreme-Strength Metric Class12.9 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
- Exceptional tensile strength of 170,000 PSI ensures reliable performance in high-stress applications, reducing failure risks.
- Superior corrosion resistance from zinc yellow-chromate plating extends service life in harsh industrial environments.
- High hardness rating (Rockwell C39) provides excellent wear resistance and durability under repetitive loads.
- Fully threaded M8 coarse pitch design allows for faster installation and secure fastening in various materials.
- Precision Class 6h thread fit guarantees consistent engagement and vibration resistance in assembled components.
- External hex drive with 13mm head offers easy tool access and high torque capability for efficient maintenance.
- Compliance with ISO 4017/DIN 933 standards ensures interchangeability and quality assurance for global engineering projects.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these Class 12.9 hex head screws deliver unmatched reliability in heavy machinery, automotive assemblies, and structural frameworks. The M8 coarse thread with 1.25mm pitch facilitates quick alignment and robust clamping force, minimizing loosening from vibrations. Made from high-grade steel and finished with zinc yellow-chromate plating, they combat corrosion in humid or chemical-exposed environments, reducing maintenance frequency. The fully threaded design ensures uniform stress distribution, making them ideal for critical joints where high tensile strength and longevity are paramount. These screws solve common fastening challenges by combining precision metric threading with superior material properties for enduring performance.
Specification Summary & Compliance
This M8 x 1.25 x 35mm screw features a Class 6h thread fit for precise tolerance, adhering to ISO 4017/DIN 933 specifications. It is manufactured to meet Class 12.9 strength grade requirements, ensuring consistency in high-load applications. The product complies with industry standards for dimensional accuracy and is suitable for use under regulations such as RoHS and REACH, supporting safe and sustainable industrial operations.
