The High-Strength Penta Head Bolt is a specialized structural fastening solution designed to provide secure and reliable connections in demanding construction applications.
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Product Description
The Penta Head Bolt for Construction is a precision-engineered fastening solution, ideal for use in construction and other heavy-duty industries. With its unique penta-head design, this bolt provides exceptional security and tamper resistance, making it highly suitable for critical applications where fasteners need to withstand high torque and heavy loads.
Made from high-strength materials, this bolt is resistant to corrosion and offers excellent performance under extreme conditions, including exposure to chemicals, high temperatures, and moisture. The penta-head design also improves the bolt’s ability to resist accidental loosening, which is crucial for the integrity of construction projects.
This bolt is manufactured using advanced technologies to meet strict quality standards, ensuring maximum reliability and longevity. It is perfect for use in industries such as construction, machinery, automotive, and infrastructure, where safety and durability are top priorities.
| Parameter | Description |
|---|---|
| Material | High-Strength Steel |
| Design Type | Penta Head |
| Finish | Corrosion-Resistant Coating |
| Dimensions | Customizable Length (100mm to 300mm) |
| Diameter | Available in M6, M8, M10, M12 |
| Head Type | Penta Head |
| Tensile Strength | High Tensile, up to 1000 MPa |
| Application | Construction, Industrial, Automotive |
| Certification | ISO, ASTM, CE |
• Tamper-resistant design with unique penta head profile that prevents unauthorized removal without specialized tools
• High clamping force retention even under dynamic loads, ensuring structural integrity over time
• Corrosion-resistant coatings that provide long-term protection in outdoor and humid environments
• Compatible with standard wrenching tools (12-point sockets) for easy installation
• Thread rolling process that improves fatigue strength compared to cut threads

Critical for steel frame structures in commercial buildings, bridge deck assemblies, precast concrete connections in high-rise construction, and heavy equipment mounting in infrastructure projects. Approved for use in seismic zones requiring high ductility and load-bearing capacity, including earthquake-resistant building systems and offshore platform structures.
What is the primary advantage of using a penta head bolt over a standard hex head bolt?
The penta head bolt provides enhanced security due to its unique design, which is harder to tamper with or loosen compared to traditional hex head bolts.
Can this bolt be used in marine environments?
Yes, the corrosion-resistant coating ensures that the bolt performs well in marine environments where exposure to saltwater is common.
Is the Penta Head Bolt available in multiple sizes?
Yes, it is available in various sizes and lengths, including M6, M8, M10, and M12. Custom sizes can be produced upon request.
What are the typical applications for this type of bolt?
This bolt is commonly used in construction, automotive industries, heavy machinery, and infrastructure projects requiring high durability and security.
How do I determine the correct size of the bolt for my project?
The size depends on the application’s load-bearing requirements and the materials being fastened. Our team can help you select the best size based on your specific needs.