- Mining Machinery[40]
- Mining Machinery Parts[22]
- Steel Pipes[3]
- Metallurgy Machinery[1]
- Other Machinery[3]
- Mazut[5]
- Glass Processing Machinery Parts[6]
- Educational Toys[4]
- Used Embroidery Machines[13]
- Keyboards[2]
- Tool Parts[8]
- Mixing Equipment[2]
- Diodes[2]
- Metal Processing Machinery Parts[3]
- Printing Machinery[2]
- Umbrella Stands[2]
- Lubricant[1]
- Other Analysis Instruments[12]
- Other Woodworking Machinery[4]
- Machinery Parts Processing Services[1]
- Testing Equipment[4]
- Resistance Meters[1]
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- Metal Straightening Machinery[6]
- Diesel Generators[6]
- Other Metal Processing Machinery[11]
- Bending Machinery[10]
- Arc Welders[12]
- Plasma Welders[6]
- Electric Pipe Threader[2]
- Chemical Product Machinery[4]
- Drilling Rig[10]
- Other Mining Machinery[7]
- Elevator Parts[1]
- Other Machine Tools Accessories[7]
- Material Handling Equipment Parts[1]
- Other Metallurgy Machinery[2]
- Valves[4]
- Other Cutting & Forming Tools[2]
- Metallurgy Machinery Parts[1]
- Pumps[4]
- Air-Compressors[6]
- Drying Equipment[1]
- Other Firefighting Supplies[4]
- Metal Cutting Machinery[5]
- Other Machine Tools[2]
- Punching Machine[7]
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- Other Motor[6]
- 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,23# Haiyang North RD.
- Country/Region : China
- Zip : 226500
Kelly drill pipe,drill pipe,drilling pipe
Kellys is driving section of wohole drill stem. Kelly is available with square kelly and hexagonal kelly. kelly are manufactured strictly from API Spec7-1 and SY/T6509-2000 standard.
Kelly drill pipe,drill pipe,drilling pipe.
Technical specification and parameters
Size | Lengthin | Upper box connection | Lower pin connection | I.D. | Driving section | |||||||
mm | in | Type(LH) | O.D. | Thread | O.D. | Cross flat | For square kelly | Cross corner for hexa kelly | ||||
Std | optional | Std | optional | |||||||||
63.5 | 2 1/2 | 12.19 | 6 5/8REG | 4 1/2REG | 196.8 | 146.0 | NC26 | 85.7 | 31.8 | 63.5 | 83.3 |
|
76.2 | 3 | 12.19 | 6 5/8REG | 4 1/2REG | 196.8 | 146.0 | NC31 | 104.8 | 44.4 | 76.2 | 100.0 | 85.7 |
88.9 | 3 1/2 | 12.19 | 6 5/8REG | 4 1/2REG | 196.8 | 146.0 | NC38 | 120.6 | 57.2 | 88.9 | 115.1 | 100.8 |
108.0 | 4 1/4 | 12.9 | 6 5/8REG | 4 1/2REG | 196.8 | 146.0 | NC46 | 158.8 | 71.4 | 108.0 | 141.3 | 122.2 |
6 5/8REG | 4 1/2REG | 196.8 | 146.0 | NC50 | 161.9 | 71.4 | 108.0 | 141.3 | 122.2 | |||
133.4 | 5 1/4 | 12.9 | 6 5/8REG |
| 196.8 |
| 5 1/2FH | 177.8 | 82.6 | 133.3 | 175.4 | 151.6 |
6 5/8REG |
| 196.8 |
| NC56 | 177.8 | 82.6 | 133.3 | 175.4 | 151.6 | |||
..
Kelly drill pipe,drill pipe,drilling pipe
