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- Drill Bit[3]
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- Pumps[1]
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- Contact Person : Ms. Chen Kathy
- Company Name : Beijing Feilong International Trade Co., Ltd.
- Tel : 86-10-6340 5086
- Fax : 86-10-6340 7657
- Address : Beijing,Beijing,B2-0645 ROOM, CENTURY-TEA-TRADE-CENTER, NO.10 MALIANDAO ROAD, XUANWU DISTRICT, BEIJING
- Country/Region : China
- Zip : 100055
drill collar pipes
Product Detailed
Related Categories:Steel Pipes
all its physical properties conform to the latest API Spec 7.
Detailed Product Description Drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole tract by large rigidity. Manufactured strictly from API Spec 7.
Size from 3-1/8" to 11"Type: Normal drill collars, Non-magnetic drill collars, Spiral drill collarsMaterial: AISI 4145HLength 9150mm & 9450mm
drill collar pipes