Active Member
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[China]
Contact name:
Jinzhou City Shitan Machinery Equipment CO. LTD. |
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60mm,75mm,95mm,122mm Core Drill Bit For Well Drilling Three Wings/tricone PDC Drill Bits for coal mine opening hole
We specialized in manufacturing Drill Rods, Casings, Core barrels,
Diamond bits, Reaming
shells, Drill rigs, PDC bits and other drilling tools &
equipment for geological exploration,
mining, geological, dam grouting, water well and horizontal
directional drilling.
Specifications of PDC drill bits
| Size | Outside Diameter | Inside Diameter | ||
| Inch | mm | Inch | mm | |
| AQ | 1.880/1.870 | 47.75/47.50 | 1.607/1.057 | 27.1/26.85 |
| BQ | 2.350/2.340 | 59.69/59.44 | 1.438/1.428 | 36.52/36.27 |
| NQ | 2.970/2.960 | 75.44/75.19 | 1.880/1.870 | 47.75/47.50 |
| HQ | 3.770/3.755 | 95.76/95.38 | 2.505/2.495 | 63.63/63.38 |
| PQ | 4.815/4.795 | 122.30/121.80 | 3.350/3.340 | 85.09/84.84 |
Application formation for PDC drill bits
Suitable for high comprehensive strength,with abrasive medium hard to hard formations,such as shale,limestone,anhydrite,sandstone,etc.
