S-97478A179 M27 x 80 mm DIN 6914, ISO 7412 Metric High-Strength Steel Heavy Hex Head Screws for Structural Applications
Metric High-Strength Steel Heavy Hex Head Screws for Structural Applications
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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 corrosion resistance with hot-dipped galvanized steel coating, ensuring long-term reliability in harsh environments
- High tensile strength of 150,000 psi and Class 10.9 grade for superior load-bearing capacity in demanding applications
- Optimized partial threading with 37mm thread length provides secure fastening while reducing weight and material usage
- Precise Class 6g thread fit ensures smooth installation and consistent performance in metric assemblies
- Durable Rockwell C32 hardness maintains structural integrity under repeated stress and vibration
- Coarse 3mm pitch threading enables quick assembly and disassembly while resisting loosening
- External hex drive design with 48mm head width offers excellent torque transmission for efficient installation
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these M27 hex head screws deliver exceptional performance in structural steel connections, machinery assembly, and infrastructure projects. The hot-dipped galvanized steel construction provides superior corrosion protection, making them ideal for outdoor installations and environments exposed to moisture or chemicals. With partial threading and 80mm total length, these fasteners offer optimal grip length (43mm) for secure joint clamping while minimizing material waste. The Class 10.9 strength rating ensures reliable performance under high vibration and dynamic loading conditions, while the coarse metric thread with 3mm pitch facilitates quick installation in time-sensitive industrial maintenance and manufacturing operations.
Specification Summary & Compliance
This M27x3mm hex head screw features Class 6g thread tolerance for precision fit and meets DIN 6914/ISO 7412 specifications for dimensional accuracy and manufacturing quality. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. With right-hand thread direction and external hex drive configuration, it maintains compatibility with standard metric fastener systems and tooling.
