Step 1 - Raw Materials
Carbon steel, stainless steel or alloy materials are used for the Fully Threaded Studding Rod Bar. The raw steel wire will be drawn thinner, and then it will undergo cleaning and pre-treatment to ensure that its surface meets the requirements for the subsequent processes.
Step 2 - Cold Forming or Cutting
The cold forming process is fast and can maintain the integrity of the metal grains, which helps to enhance the strength. The screws will be cut to a uniform length and then sent to the thread rolling machine.
Step 3 - Thread Rolling
The rolling process will press the threads into the surface. The final result is a uniform thread extending from one end to the other.
Step 4 - Surface Treatment
The zinc coating is the standard method for basic rust prevention. If the customer has additional requirements, we will perform different surface treatments.
Step 5 - Quality Inspection
Before packaging, we will conduct inspections. Using professional equipment, we will confirm if the dimensions are appropriate. We will take samples for stretching and hardness tests. For special products, we will conduct salt spray tests.
Step 6 - Cut to Standard Length and Package
If the customer requires Fully Threaded Studding Rod Barof a specific length, we will cut them and clean the ends. The packaging is simple - tying, labeling, and palletizing.
| Item | Details |
| Nominal Size | Metric: M3-M36 (common sizes M5-M24); standard/fine thread optional |
| Thread Standards | DIN 975/DIN 976 (universal standards for threaded rods); 6g thread tolerance |
| Materials & Grades | Carbon steel: 8.8/10.9/12.9 grade; Stainless steel: A2-70/A4-80; Custom: PEEK, brass |
| Surface Finishes | Carbon steel: Zinc-plating, hot-dip galvanizing, black oxide; Stainless steel: Natural passivation, black coating |
| Length Range | 50mm-3000mm; custom cut-to-length available (no extra charge for regular lengths) |
| Key Dimensions | Thread length: 1.0-2.0×nominal diameter (standard); unthreaded shank length customizable |
(1)What materials do you offer?
We have carbon steel (galvanized or hot-dip galvanized), stainless steel 304 and 316, as well as high-strength alloys such as B7. We will communicate with you to help you choose the most suitable material.
(2)What specifications are available?
The standard diameter range is from M4 to M30 (metric) and 1/4 inch to 1 inch (imperial). If you need a specific size, we can customize the production.
(3)Can you cut it into the lengths you specify?
Yes. Before shipment, we can cut them to the specific lengths as per your requirements.
(4)Can I get a sample Fully Threaded Studding Rod Bar before ordering in bulk?
Yes. We offer free samples for standard sizes—you just cover shipping.