The High Strength Large Hexagonal Head Bolts (GB/T 1228-1991) are engineered specifically for high-load steel structures, offering unmatched stability and security. Featuring a specialized oversized hexagonal head, these bolts provide a significantly larger wrench surface area, allowing for increased torque application and a superior grip during installation in demanding industrial environments.
Designed for longevity and extreme performance, these fasteners are ideal for construction, automotive assembly, and heavy machinery. With a focus on precision engineering and corrosion-resistant surface treatments, Hebei Xizhuo Fastener Co., Ltd ensures that every bolt delivers reliable fastening performance even in the harshest atmospheric conditions, providing peace of mind for professional contractors and industrial engineers alike.
Detailed Parameters
| Standard | GB/T 1228-1991 | Product Name | Large Hex Head Bolt |
|---|---|---|---|
| Application | Steel Structures | Head Design | Oversized Hexagonal |
| Material | High Strength Steel | Surface Treatment | Corrosion-Resistant Coating |
| Key Feature | Enhanced Torque Grip | Compatibility | Industrial Machinery |
| Manufacturer | Hebei Xizhuo Fastener | Availability | Various Sizes & Lengths |
Key Advantages
Extreme Durability
High-strength steel construction ensures the bolts withstand immense tension and shear forces in structural projects.
Corrosion Resistance
Advanced surface treatments protect against rust and oxidation, extending the lifespan of the assembly in outdoor environments.
Enhanced Torque
The larger hex head design allows for more efficient torque transmission, reducing the risk of slipping during tightening.
Precision Fit
Strict adherence to GB/T 1228-1991 standards ensures a seamless fit and reliable performance across all components.
Installation Efficiency
Engineered for easy installation, these bolts save significant time and labor costs on large-scale construction sites.
Versatile Application
Suitable for a wide array of projects, from heavy machinery assembly to complex steel structural frameworks.
Product Gallery
Management Platforms
Inventory Control
Real-time tracking of all bolt sizes and lengths to ensure rapid fulfillment of large orders.
Quality Assurance
Rigorous inspection protocols to ensure every batch meets high-strength structural standards.
Supply Chain Sync
Optimized logistics management to minimize lead times for international shipping.
Compliance Monitoring
Continuous auditing of GB/T standards to maintain absolute technical compliance.
Customization Portal
Flexible ordering system for specific lengths or specialized surface treatments.
After-Sales Support
Dedicated technical support team to assist with structural fastening calculations.
Investment Return Comparison
| Feature | Standard Bolts | Our High-Strength Bolts |
|---|---|---|
| Installation Speed | Standard | High (Better Grip) |
| Maintenance Cycle | Frequent | Extended (Corrosion Resistant) |
| Load Capacity | Moderate | Ultra-High |
| Failure Risk | Standard | Minimal (Precision Eng.) |
| Total Lifecycle Cost | Higher (due to wear) | Lower (Long-term Value) |
Frequently Asked Questions
These bolts are primarily used in steel structure construction, heavy machinery, and automotive industrial environments where high torque and strength are required.
The larger surface area allows for higher torque application with less risk of rounding the head, making the fastening process faster and more secure.
Yes, our bolts feature a corrosion-resistant surface treatment specifically designed to ensure longevity in harsh outdoor and industrial climates.
We offer a wide variety of sizes and lengths. Please contact our sales team for specific custom dimensions tailored to your project.
Our products are manufactured under strict precision engineering standards and undergo rigorous testing to meet GB/T specifications.
While offering superior strength and durability, our bolts remain competitively priced, providing a higher return on investment through reduced maintenance.