When sourcing GB stud bolts for large-scale industrial projects, partnering with a reliable GB stud bolt manufacturer ensures consistent quality, accurate specifications, and timely delivery.
Hardhawk Fastener is a leading China-based manufacturer specializing in GB-standard double-end threaded bolts for industries such as oil & gas, construction, shipbuilding, and power generation. Our products meet GB/T specifications and are trusted by distributors and EPC contractors worldwide.
Understanding GB Stud Bolts
GB stud bolts are double-ended threaded rods produced according to Chinese National Standards (GB/T). They are commonly used for:
- Flange connections in pipelines
- Pressure vessel assembly
- Steel structure fastening
- Heavy machinery installation
Available Specifications:
- Standards: GB/T 901, GB/T 897, GB/T 5783
- Sizes: M6 to M100
- Strength Grades: 8.8, 10.9, 12.9
- Materials: Carbon steel, alloy steel, stainless steel (SS304, SS316)
- Finishes: Black oxide, hot-dip galvanized, zinc plating, PTFE coating
Why Choose Hardhawk as Your GB Stud Bolt Manufacturer?
Strict GB/T Standard Compliance
All products are manufactured to Chinese National Standards, ensuring dimensional accuracy and mechanical strength.
Factory-Direct Wholesale Pricing
We offer competitive bulk prices for B2B and project-based orders, reducing procurement costs for distributors.
Advanced Production & Testing
Our CNC threading, cold forging, and 100% inspection process guarantee high performance and durability.
Customization Options
We can produce non-standard sizes, special coatings, and packaging according to your OEM/ODM requirements.
Industries We Serve
| Industry | Application |
|---|---|
| Oil & Gas | Pipeline flange connections |
| Power Plants | Turbine and boiler fastenings |
| Marine Engineering | Ship deck and hull assembly |
| Heavy Construction | Structural steel connections |
| Petrochemical | Pressure vessel joints |
Explore Our Full GB Stud Bolt Range
If you need both GB and ASTM/ISO stud bolts, we can supply mixed-standard orders for your project.
View our stud bolt product page
Conclusion
As one of the trusted GB stud bolt manufacturers in China, Hardhawk Fastener delivers certified quality, competitive pricing, and on-time delivery for wholesale and project-based needs.
Contact us now for your quotation and technical datasheet.