S-91280A414 M7 x 20 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 for extended service life in demanding environments
- High tensile strength of 110,000 PSI ensures reliable performance under heavy loads and vibrations
- Class 8.8 strength grade provides excellent mechanical properties for critical industrial applications
- Rockwell C21 hardness maintains thread integrity and prevents stripping during installation
- Fully threaded design offers maximum grip length and uniform stress distribution
- External hex drive enables easy installation with standard tools and high torque application
- Coarse thread pitch facilitates quick assembly and reduces cross-threading risks
Professional Applications & Engineering Value
These M7 hex head screws deliver exceptional engineering value through their Class 8.8 steel construction and zinc plating finish, specifically designed to address common industrial challenges. The combination of 110,000 PSI tensile strength and Rockwell C21 hardness ensures reliable performance in heavy machinery, equipment assembly, and structural applications where vibration resistance and load-bearing capacity are critical. The fully threaded metric coarse design provides superior holding power while simplifying installation in various materials. Compliant with ISO 4017/DIN 933 standards, these external hex drive fasteners offer consistent quality and interchangeability across global manufacturing operations, making them ideal for automotive, construction, and industrial equipment applications requiring standardized, high-performance fastening solutions.
Specification Summary & Compliance
This M7 x 1mm hex head screw features Class 6h thread fit precision and 20mm length with complete threading. Manufactured to ISO 4017/DIN 933 specifications and ISO 898 mechanical properties, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest industry standards for safe and sustainable manufacturing practices.
