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8 5/8" FA437GT , TCI Tricone Bit , TCI Drill Bit , Oil Well Drill Bit
PRODUCT SPECIFICATIONGS
Bit Size : 8 5/8 inch ( 219.1 mm )
IADC : 4 3 7
SERIES: FA
Tooth type : ( TCI ) Tungsten Carbide Insert
Connection : 4 1/2 inch API REG PIN
Nozzle : Three jet (side) nozzles,
Bit Weight: 40kgs
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
Types & IADC Code | 117 | 127 |
437 447 |
517 527 |
537 547 |
617 627 |
637
|
|
WOB | KN/mm(Bit Dia.) | 0.35~0.8 | 0.35~0.9 | 0.35~0.9 | 0.35~1.0 | 0.45~0.95 | 0.45~1.1 | 0.5~1.1 |
Lb/in. (Bit Dia.) | 2000~4271 | 2000~5142 | 2000~5142 | 2000~5714 | 2571~5714 | 2571~6285 | 2857~6285 | |
Rotation Speed (Rpm) | 240~80 | 240~70 | 180~80 | 220~60 | 220~50 | 200~50 | 180~40 |
The above chart represents commonly available sizes and types, we do produce other sizes and types of rock bits which do not appear on this list. Please contact us for more information.