- Steel Pipes[6]
- Valves[3]
- Mining Machinery Parts[6]
- AC Motor[5]
- Other Mining Machinery[6]
- Contact Person : Ms. Wang May
- Company Name : Qingdao Win-Art Import & Export Co., Ltd.
- Tel : 86-532-86999242
- Fax : 86-532-86999242
- Address : Shandong,QINGDAO,ROOM2509,Century mansion,NO.338 JINGGANGSHAN ROAD, QINGDAO ECONOMIC AND TECHNOLOGICAL DEVELOPMENT AREA
- Country/Region : China
- Zip : 266555
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1) good quality and competive price2) certified by API & ISO9001:20083) use for well drilling
4) delivery on time
5) Size according to your request
6) drill collar,stick drill collar,non-magnetic drill collar,spiral drill collar covering all size.
Product description:1.AISI4145H or 4145HM high quality alloy steel is put to use for the material of drill collar. 2.We adopt advanced technic for full length heat treatment. Chemical composition and microelement are well controlled.3.The products are characterized by high traceability and stabe mechanical properties.Technical specification and parameters.
Type | OD(mm) | ID(mm) | L(m) ±152.4mm d | DF(mm) ±0.4 |
NC23-31 | 79.4 | 31.8 | 9.14 | 76.2 |
NC26-35 | 88.9 | 38.1 | 9.14 | 82.9 |
NC31-41 | 104.8 | 50.8 | 9.14or9.45 | 100.4 |
NC35-47 | 120.6 | 50.8 | 9.14or9.45 | 114.7 |
NC38-50 | 127 | 57.2 | 9.14or9.45 | 121 |
NC44-60 | 152.4 | 57.2 | 9.14or9.45 | 144.5 |
NC44-60 | 152.4 | 71.4 | 9.14or9.45 | 144.5 |
NC46-62 | 158.8 | 57.2 | 9.14or9.45 | 149.2 |
NC46-62 | 158.8 | 71.4 | 9.14or9.45 | 150 |
NC46-65 | 165.1 | 57.2 | 9.14or9.45 | 154.8 |
NC46-65 | 165.1 | 71.4 | 9.14or9.45 | 154.8 |
NC46-67 | 171.4 | 57.2 | 9.14or9.45 | 159.5 |
NC50-70 | 177.8 | 57.2 | 9.14or9.45 | 164.7 |
NC50-70 | 177.8 | 71.4 | 9.14or9.45 | 164.7 |
NC50-72 | 184.2 | 71.4 | 9.14or9.45 | 169.5 |
NC56-77 | 196.8 | 71.4 | 9.14or9.45 | 185.3 |
NC56-80 | 203.2 | 71.4 | 9.14or9.45 | 190.1 |
6-5/8REG | 209.6 | 71.4 | 9.14or9.45 | 195.6 |
NC61-90 | 228.6 | 71.4 | 9.14or9.45 | 212.7 |
7-5/8REG | 241.3 | 76.2 | 9.14or9.45 | 223.8 |
NC70-97 | 247.6 | 76.2 | 9.14or9.45 | 232.6 |
NC70-100 | 254 | 76.2 | 9.14or9.45 | 237.3 |
8-5/8REG | 279.4 | 76.2 | 9.14or9.45 | 266.7 |
NC50-67 | 171.5 | 71.4 | 9.14or9.45 | 159.5 |
High Quality, Competitive Price, Best Service
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magnetic spiral drill collar