8 1/2" FG515G Tricone Drill Bit , Water Well Drill Bits API-7-1 Standard
8 1/2" FG515G , TCI Bit Sealed Roller Bearing , Tricone Roller Bit
PRODUCT SPECIFICATIONS
Bit Size : 8 1/2 inch (215.9mm)
IADC : 5 1 5
SERIES : FG
Tooth type : ( TCI ) Tungsten Carbide Insert
Connection : 4 1/2 inch API REG PIN
Nozzle : three jet (side) nozzles
Bit Weight : 40kgs
RECOMMENDED ROCK FORMATIONS
Adapted be used in soft to medium soft with low compressive strength.
SIZE AVAILABLE
From 3 7/8inch to 36inch
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
| Types & IADC Code | 415 |
435 445 |
515 525 |
535 545 |
615 625 |
635 | |
| WOB | KN/mm(Bit Dia.) | 0.35~0.95 | 0.35~0.95 | 0.4~0.7 | 0.4~0.7 | 0.45~1.1 | 0.5~1.2 |
| Lb/in. (Bit Dia.) | 2000~5428 | 2000~5428 | 2285~4000 | 2285~4000 | 2571~6285 | 2857~6857 | |
| Rotation Speed (Rpm) | 150~60 | 150~60 | 140~80 | 120~80 | 110~60 | 100~50 | |
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.
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