8 1/2 FA126 , Steel Tooth Tricone Bit , Sealed Friction Bearing , TRC Bit , Water Well Drilling
PRODUCT SPECIFICATIONS
Bit Size: 8 1/2inch(215.9mm)
IADC: 1 2 6
SERIES: FA
Tooth type: (ST)Tungsten Carbide Insert
Connection: 4 1/2inch API REG PIN
Nozzle: three jet(side) nozzles
Bit Weight: 38kgs
RECOMMENDED ROCK FORMATIONS
Adapted to be used in very soft to medium soft with low compressive strength and high drillability (mudstone, loose sands, soft limestone, shale, etc.)
SIZE AVAILABLE
From 5 7/8 inch to 26 inch
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
Types & IADC Code |
116 117 |
126 127 |
136 137 |
216 217 |
246 247 |
326 327 |
|
WOB | KN/mm(Bit Dia.) | 0.48~1.0 | 0.48~1.0 | 0.48~1.0 | 0.4~1.0 | 0.4~1.0 | 0.55~0.85 |
Lb/in. (Bit Dia.) | 2742~5714 | 2742~5714 | 2742~5714 | 2285~5714 | 2285~5714 | 3140~4860 | |
Rotation Speed (Rpm) | 160~80 | 150~70 | 130~60 | 100~60 | 80~50 | 60~45 |
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.