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The HT2745 bit adopts 13mm claw-type PDC cutters and a large blade design. It can drill medium to medium-hard formations. It is recommended to drill interbedded shale, mudstone, cementitious sandstone and carbonate rock with medium compressive strength.
Description
Drill specifications
Diameter (inch) | Diameter (inch) 8 1/2 |
Number of blades | 7 |
Main cutting teeth | 13mm |
Number of nozzles | 7 |
Gauge length (inch) | 3 |
Chip flute area (square inch) | 18.06 |
Connection type | 4 1/2 API Reg |
Make-up torque (KN.m) | 16.6-23.7 |
Recommended drill parameters
Speed (rpm) | 60-280 |
Drill weight (kn) | 25-120 |
Maximum weight on bit (kn) | 140 |
Displacement (lps) | 22-35 |
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