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| Product Name: |
drill collar
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| Supply Ability: |
12000ton per year |
| Related proudcts |
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| Specifications |
Different sizes of drill collar we produce are from 3 1/2" to 11 |
| Price Term: |
FOB CIF |
| Port of loading: |
Tianjin port |
| Minimum Order |
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| Unit Price: |
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Based on API Spec.7,ZYZXDYs drill collars are made of 4145H MOD chromium molybdenum alloy steel. All threads machined with CNC Lathes Double shoulderd,including some special threads.We inspect all our drill collars to comply with API standards.These rigid inspections include visual dimensional checks as well as ultrasonic inspections over the entire body of the drill collar. All connections are phosphate-coated or copper plating to improve resistance to corrosion.
We have Normal drill collars, Non-magnetic drill collars, Spiral drill collars.
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| Company: |
Henan Zhongyuan Heavy Forging Co., Ltd
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| Contact: |
Ms. Jenny Lee |
| Address: |
Dong Liuyang Village, Zhicheng Town |
| Postcode: |
454650 |
| Tel: |
86-0391-6089158 |
| Fax: |
86-0391-6089022 |
| E-mail: |
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