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Double-End Stud Bolts from China Factory | Precision Fasteners Suppliers for Industrial Applications
Technical Specifications
| Product Name | Double-End Stud Bolt / Threaded Stud / Stud with Nuts |
| Ends | Threaded at both ends, with unthreaded center shank or fully threaded |
| Thread Type | Metric / UNC / UNF / BSW |
| Thread Length | Equal or customized thread length on both ends |
| Standards | DIN 938, DIN 939, DIN 835 |
| ASTM A193 B7/B8/B16, A320 | |
| ISO / BS / JIS / Non-Standard | |
| Material | Carbon Steel (Grade 4.8 / 8.8 / 10.9) |
| Alloy Steel (B7, B7M, B16) | |
| Stainless Steel (SS304 / SS316 / SS316L) | |
| Brass, Copper, or Titanium (available upon request) | |
| Surface Finish | Black Oxide |
| Zinc Plated | |
| Hot-Dip Galvanized (HDG) | |
| PTFE / Xylan Coated for corrosion resistance | |
| Size Range | Diameter: M6 – M64 or 1/4" – 2.5" |
| Length: 20mm – 2000mm or customized |
Product Features
Threaded on both ends for secure connections with nuts
Strong tensile and yield strength, ideal for high-stress joints
Withstands high temperature and pressure in critical environments
Precision threading ensures easy installation and reliable clamping force
Suitable for use with nuts and washers in flange assembly systems
Corrosion-resistant coatings available for marine, offshore, and chemical environments
Applications
Oil & gas pipelines and flanged connections
Boilers, pressure vessels, and heat exchangers
Petrochemical plants and power stations
Heavy equipment and industrial machinery
Wind energy, marine engineering, and steel structures
Packaging & Delivery
| Packaging | Bulk in cartons and pallets |
| Wooden boxes for export | |
| Customized marking and packaging available | |
| Lead Time | 10–25 days based on order volume and specifications |
| Shipping Port | Tianjin, China |
Why Choose Hebei Chudu
- ✓ Over 10 years of fastener manufacturing expertise
- ✓ ISO 9001-certified production and strict quality control
- ✓ Large inventory of raw materials and standard stud sizes
- ✓ Customized threading, length, and materials supported
- ✓ Exported to over 30 countries with stable long-term clients
Frequently Asked Questions
Q:
What materials are available for Hebei Chudu double-end stud bolts?
We offer carbon steel (Grade 4.8, 8.8, 10.9), alloy steel (B7, B7M, B16), stainless steel (SS304, SS316, SS316L), as well as brass, copper, and titanium upon request.
Q:
What surface treatment options do you provide for corrosion resistance?
Our surface finishes include black oxide, zinc plating, hot-dip galvanizing (HDG), and PTFE/Xylan coatings, ensuring excellent performance in harsh environments.
Q:
Can the thread length and size of the stud bolts be customized?
Yes, we support customized thread lengths on both ends, overall lengths from 20mm to 2000mm, and diameters ranging from M6 to M64 (or 1/4" to 2.5").
Q:
Which international standards do your stud bolts comply with?
Our products comply with major global standards, including DIN 938, DIN 939, DIN 835, ASTM A193 B7/B8/B16, ASTM A320, ISO, BS, JIS, and non-standard custom specifications.
Q:
What is the typical lead time and shipping port for orders?
The typical lead time is 10 to 25 days depending on order volume and custom specifications. All orders are shipped from Tianjin Port, China.