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9 7/8" FK715G , Tricone Roller Bit, Sealed Air-Cooled Roller Bearing
PRODUCT SPECIFICATIONS
Bit Size : 9 7/8inch(250.8mm)
IADC : 7 1 5
SERIES : FK
Tooth type: ( TCI )Tungsten Carbide Insert
Connection: 6 5/8 inch API REG PIN
Nozzle : three je t(side) nozzles
Bit Weigh t: 65kgs
RECOMMENDED ROCK FORMATIONS
Designed for medium-hard and abrasive formations with high compressive strengths such as granite,limestone, sandstone, dolomite and chert.
SIZE AVAILABLE
From 6 1/4inch to 13 3/4inch
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
Types & IADC Code | 415 | 535 | 615 | 635 | 715 | 842 | |
WOB | KN/mm(Bit Dia.) | 0.175~0.35 | 0.35~0.875 | 0.35~0.875 | 0.525~1.05 | 0.7~1.05 | 0.875~1.4 |
Lb/in. (Bit Dia.) | 1000~2000 | 2000~5000 | 3000~5000 | 3000~6000 | 4000~6000 | 5000~8000 | |
Rotation Speed (Rpm) | 120~90 | 110~80 | 100~60 | 100~60 | 90~60 | 80~50 |
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.