Drill Collar
| Model: | - |
|---|---|
| Brand: | mtwk |
| Origin: | Made In China |
| Category: | Metallurgy , Mining & Energy / Metallurgy & Mining / Flat & Rolled Metallic Materials |
| Label: | - |
| Price: |
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| Min. Order: | 1 pc |
Product Description
The drill collar are made of 4145H modified chromium-molybdenum alloy steel according to API Spec 7 and aSY/T 5144. All threads can be phosphated, copperised or cold worked. All threads are machined with CNC Lathes-Double-Shouldered and a special thread, the max diameter of drill collar is 14 inch.
Outer diameter: 3 "~ 14"
Internal Diameter: 1 1/4"~3"
Length: 9150~9450(mm).
Member Information
| Beijing Metalwork Technology Trade Co.,Ltd. | |
|---|---|
| Country/Region: | Beijing - China |
| Business Nature: | Manufacturer |
| Phone: | 13401155034 |
| Contact: | Mr Wang (Sales Manager) |
| Last Online: | 10 Apr, 2012 |
