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| Brand Name: | FLRT |
| Model Number: | 8 1/4 FA447G |
| MOQ: | 10pcs |
| Supply Ability: | 200pcs per quarter |
8 1/4" FA447G , TCI Tricone Bit , Sealed Journal Bearing , Gauge Protection
PRODUCT SPECIFICATIONGS
Bit Size : 8 1/4inch ( 209.6mm )
IADC : 477
SERIES: FJ
Tooth type : (TCI)Tungsten Carbide Insert
Connection : 4 1/2 inch API REG PIN
Nozzle Three jet(side) nozzles,
Bit Weight: 42kgs
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.
