S-90854A154 M8 x 18 mm ISO 4017, DIN 933 High-Strength Metric Class 10.9 Steel Hex Head Screws
High-Strength Metric Class 10.9 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 with 150,000 psi rating ensures reliable performance in high-stress applications
- Superior corrosion resistance through zinc yellow-chromate plating extends service life in demanding environments
- Precision Class 6h thread fit guarantees consistent engagement and vibration resistance
- High-strength Class 10.9 rating provides maximum load-bearing capacity for critical assemblies
- External hex drive design enables easy installation with standard tools and high torque application
- Full threading along 18mm length offers complete fastening coverage and uniform clamping force
- Rockwell C32 hardness maintains structural integrity under repeated stress and wear
Professional Applications & Engineering Value
These M8 hex head screws with Class 10.9 strength rating are engineered to solve critical fastening challenges in industrial machinery, automotive assemblies, and structural applications. The coarse 1.25mm pitch threading ensures rapid installation while maintaining secure connections in high-vibration environments. The zinc yellow-chromate plated finish provides essential protection against corrosion in outdoor or chemically aggressive settings, significantly extending maintenance intervals. With fully threaded design and external hex drive, these fasteners deliver uniform clamping force distribution and accommodate high torque requirements, making them ideal for heavy-duty equipment where failure is not an option.
Specification Summary & Compliance
Manufactured to ISO 4017 (DIN 933) specifications with Class 6h thread tolerance for precision fit. These metric screws feature M8 x 1.25mm coarse thread configuration with 18mm length and right-hand threading. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. The Class 10.9 strength classification confirms adherence to international standards for high-strength fasteners.
