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
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Product Name: |
Spiral Drill Collar
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Supply Ability: |
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Specifications |
3 1/8"-14" |
Price Term: |
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Port of loading: |
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Minimum Order |
1pc |
Unit Price: |
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The spiral drill collars are made of 4145H modified chromium-molybdenum alloy steel acc. to API Spec.7 and SY/t5144. All threads are phosphated, coppperized or cold worked. All threads are machined with CNC Lathes-Double-Shouldered and special threads, the max diameter of drill collar is 14 inch. |
Company: |
Jiyuan Sanhe Zhengyuan Petroleum Machinery Co., Ltd
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Contact: |
Ms. Rita He |
Address: |
JIyuan Henan China |
Postcode: |
454650 |
Tel: |
0086-391-6808027 |
Fax: |
0086-391-6693971 |
E-mail: |
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