Studs
Threaded Studs
Stud Bolts / Double-End Threaded Rods
Our Threaded Studs are headless, double-end threaded fasteners manufactured from high-grade carbon steel and alloy steel through precision cold heading. Available in full-thread and partial-thread (double-end) configurations, they are designed for demanding flange connections, high-temperature pressure vessels, and critical structural joints. Conforming to DIN 938/939, GB/T 897-901, and ASTM A193 standards, our studs deliver reliable clamping force in the most challenging environments.
Key Features
Continuous grain flow from cold heading process
Full-thread and double-end configurations available
High-temperature grades (B7, B8) for extreme conditions
Consistent thread quality for reliable torque-tension
Available in lengths up to 500mm
Custom sizes and special grades on request
Technical Specifications
| Product Name | Threaded Studs (Stud Bolts) |
| Chinese Name | 螺柱 |
| Brand | ZCM / Zhongchun |
| Standards | DIN 938, DIN 939, DIN 940, GB/T 897-901, ASTM A193 |
| Grade | 4.8 / 8.8 / 10.9 / 12.9 / B7 / B8 |
| Material | Carbon Steel, Alloy Steel (SCM435, 40Cr), Stainless Steel (304/316) |
| Size Range | M6 - M30 |
| Length Range | 30mm - 500mm |
| Thread Type | Full Thread / Double-End (Partial Thread) |
| Surface Treatment | Plain, Black Oxide, Zinc Plated (White/Yellow/Blue), HDG, Dacromet, Phosphate |
| Packaging | Carton + Pallet, or per customer request |
| MOQ | Contact us for details |
| Lead Time | 15 days for standard orders |
Applications
Threaded Studs are critical fasteners used in high-stress and high-temperature environments across heavy industry.
Flange connections in petrochemical pipelines
High-temperature pressure vessel assembly
Power plant and boiler equipment fastening
Steel structure and bridge construction joints
Heavy machinery and engine block mounting
Wind turbine tower section connections
Oil and gas wellhead equipment
Nuclear and chemical plant installations
Interested in Threaded Studs?
Send us your specifications for a competitive quote. Standard orders delivered in 15 days.