S-91280A822 M22 x 45 mm ISO 4017, DIN 933 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
- Exceptional tensile strength with Class 8.8 rating (110,000 psi) ensures reliable performance in high-stress industrial applications
- Superior corrosion resistance through zinc plating protects against environmental degradation and extends service life
- Precision 6h thread fit guarantees consistent engagement and vibration resistance in demanding assemblies
- Full threading design provides maximum grip length and uniform load distribution across the entire fastener
- External hex drive configuration enables easy installation and removal with standard tools while preventing head stripping
- Rockwell C21 hardness maintains structural integrity under repeated loading and mechanical stress
- Coarse 2.5mm pitch threading allows for rapid assembly and disassembly while resisting loosening from vibrations
Professional Applications & Engineering Value
These M22 hex head screws deliver critical engineering solutions for heavy-duty industrial applications where vibration resistance and structural integrity are paramount. The Class 8.8 steel construction with zinc plating provides exceptional corrosion protection in harsh environments, while the coarse metric thread with 2.5mm pitch ensures rapid installation in structural steel, machinery, and equipment assembly. The fully threaded design maximizes clamping force distribution, making these external hex drive fasteners ideal for construction, manufacturing, and automotive applications where consistent performance under dynamic loads is essential. The combination of 110,000 psi tensile strength and Rockwell C21 hardness ensures these screws maintain dimensional stability even in high-cycle applications.
Specification Summary & Compliance
This M22 x 2.5mm hex head screw features precision Class 6h thread fit according to metric standards with 45mm length and fully threaded configuration. Manufactured to ISO 4017 specifications (equivalent to DIN 933) with right-hand coarse threading. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
