S-90447A990 M16 x 55 mm 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 load-bearing capacity with 150,000 psi tensile strength, ideal for high-stress structural connections
- Superior corrosion resistance and durability thanks to hardened steel construction and black protective finish
- Precise, reliable fastening ensured by Class 6g thread tolerance for consistent fit in industrial assemblies
- Quick installation and removal with standard 24mm external hex head compatible with common wrenches
- Full-thread engagement along the 55mm length provides maximum grip and vibration resistance
- Compliance with international standards including DIN 933, RoHS 3, and REACH for global project suitability
- Optimized for coarse threading (M16x2mm) to resist loosening under dynamic loads and vibrations
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these M16 hex head screws deliver critical reliability in machinery, structural steelwork, and equipment assembly. The Class 10.9 steel grade and Rockwell C32 hardness ensure sustained performance under extreme mechanical stress, while the fully threaded design and coarse metric thread provide superior resistance to shock and vibration—common challenges in manufacturing and construction. With external hex drive compatibility, installation is efficient even in confined spaces, reducing labor time. The black finish adds an extra layer of corrosion protection, extending service life in demanding environments. Complying with DIN 933, these screws are trusted for precision and repeatability in European and global engineering standards.
Specification Summary & Compliance
This M16x2mm hex head screw features a Class 6g thread fit per ISO metric standards, ensuring dimensional accuracy for reliable assembly. Manufactured to DIN 933 specifications, it guarantees consistent quality and interchangeability. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for hazardous substances. With a tensile strength of 150,000 psi and Rockwell C32 hardness, it adheres to the mechanical requirements of Class 10.9 strength grade, suitable for critical fastening applications worldwide.
