- Drilling Rig[6]
- Other Mining Machinery[6]
- Steel Pipes[4]
- Mining Machinery Parts[6]
- Diesel Generators[4]
- Pumps[6]
- Electric Drill[2]
- Used General Mechanical Components[1]
- Metal Processing Machinery Parts[6]
- Other Machine Tools Accessories[6]
- Other Machinery[5]
- Other Metal Processing Machinery[2]
- Power Tool Accessories[1]
- DC Motor[5]
- Valves[3]
- Tool Parts[4]
- Other Cutting & Forming Tools[2]
- Separation Equipment[1]
- Bending Machinery[6]
- Air-Compressors[6]
- Drying Equipment[6]
- Other Motor[6]
- Other Firefighting Supplies[4]
- Metal Cutting Machinery[6]
- Other Machine Tools[5]
- Punching Machine[6]
- Machinery Processing Services[1]
- Mixing Equipment[2]
- Arc Welders[1]
- Forklifts[4]
- Concrete Pumps[4]
- Motor Graders[1]
- Excavators[1]
- Concrete Truck[1]
- Bentonite[1]
- Bitumen[1]
- Carbonate[1]
- Other Energy Related Products[1]
- Contact Person : Mr. Xue aihong
- Company Name : Rugao Yaou Import & Export Trade Co., Ltd.
- Tel : 86-513-87635480
- Fax : 86-513-87632623
- Address : Jiangsu,Rugao,Room 907 #13 Jinjiuhuafu Ninghai RD.
- Country/Region : China
- Zip : 226500
Spiral drill collar
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The short drill collar produced by our company is made of special alloy steel and is accordant with mechanical property of drill collars. Besides, the connection of the drill collar is accordant with API. It is mainly used for connecting special tools or composing drill tools..
Normal Size Specificationmm(in) | O.D.in(mm) | ConnectionAPI | Length Seriesft-in(mm) |
4-1/8 (105) | 2(50) | NC31 |
3,6,9,12,15,18,21,24,27 (915,1,830,2,743,3,660,4,575,5,490,6,405,7,320,8,235)
|
4-3/4 (121) | 2(50) | NC35 | |
5 (127) | 2-1/4(57) | NC38 | |
6-1/4 (159) | 2-13/16(71) | NC46 | |
6-1/2 (165) | 2-13/16(71) | NC46 | |
7 (178) | 2-13/16(71) | NC50 | |
8203 | 2-13/16(71) | NC56 | |
9229 | 2-13/16(71) | NC61 |
According to customer requirements,we can design and manufacture other serial specification products....
Spiral drill collar
