Product details
HEBEI CROSSING DRILL BIT MANUFACTURE
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Product description
PRODUCT SPECIFICATIONS |
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product name |
12 1/4 CJ627 TCI tricone bit |
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size |
12 1/4 inch,311.1mm |
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model number |
CJ627 |
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series |
CJ |
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tooth type |
TCI |
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connection |
6 5/8" Reg PIN |
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bearing |
metal sealed journal bearing |
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Nozzle |
three jet nozzles |
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application |
Mining,water well,oil well,HDD,exploration,etc |
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weight |
101kg |
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certificate |
SY/T5164,ISO:9001:2008 |
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RECOMMENDED ROCK FORMATION |
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medium hard with high compressive strength and stick&hard stringers,such as hard shale,limestone,sandstone and dolomite,etc. |
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RECOMMENDED DRILLING PARAMETERS FOR APPLICATION |
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Type&IADC code |
417 |
437 |
447 |
517,527 |
537,547 |
617 |
627 |
637 |
737 |
WOB(KN/mm) |
0.35~0.90 |
0.35~0.90 |
0.35~1.00 |
0.35~1.05 |
0.50~1.05 |
0.50~1.05 |
0.50~1.05 |
0.50~1.10 |
0.50~1.20 |
RPM(r/min) |
280~70 |
280~60 |
240~60 |
240~50 |
220~40 |
220~40 |
200~40 |
200~40 |
200~40 |
Message
HEBEI CROSSING DRILL BIT MANUFACTURE