S-91280A426 M7 x 45 mm ISO 4017, DIN 933, 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
- Superior corrosion resistance with zinc plating, extending service life in demanding industrial environments
- High tensile strength of 110,000 PSI ensures reliable performance under heavy loads and vibration
- Class 8.8 strength grade provides excellent durability for critical structural and machinery applications
- Precise Class 6h thread fit guarantees secure fastening and easy installation with standard tools
- Fully threaded 45mm design offers maximum grip length and adjustment flexibility in assemblies
- External hex drive and coarse thread enable quick installation and high torque capability
- Compliance with ISO 4017/DIN 933 standards ensures consistent quality and international interchangeability
Professional Applications & Engineering Value
This M7 hex head screw delivers exceptional engineering value through its Class 8.8 steel construction and zinc plating surface treatment. The combination of 110,000 PSI tensile strength and Rockwell C21 hardness makes it ideal for heavy-duty industrial applications where vibration resistance and structural integrity are paramount. The fully threaded metric screw design provides superior clamping force distribution across the entire 45mm length, while the coarse thread pitch ensures rapid assembly in production environments. These industrial fasteners are particularly valuable in machinery manufacturing, equipment assembly, and structural frameworks where high tensile strength and corrosion protection are essential for long-term reliability.
Specification Summary & Compliance
This metric hex head screw features precise Class 6h thread fit tolerance and M7 x 1mm coarse thread specifications compliant with ISO 4017 and DIN 933 standards. The fastener meets ISO 898 mechanical property requirements for Class 8.8 strength grade and is manufactured in accordance with international quality standards. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring safe use across global industrial markets.
