78mm PDC Concave Three Blade Wing Drag Drilling Bit 6 5/8 Reg for Geothermal Well
- Material: High-strength carbide construction
- Type: PDC concave drill bit with matrix body
- Application: Geothermal and water well drilling
- Advantages: High drilling efficiency and reliability
- Suitable for: Medium-hard to hard rock formations
- Thread: 6 5/8" Reg
The PDC concave drill bit combines premium PDC cutters with a high-strength tungsten carbide matrix body, offering superior anti-erosion properties and enhanced toughness. This design significantly improves drilling efficiency and reliability in challenging formations.
Ideal for various drilling operations including:
- Water well drilling
- Geothermal well construction
- Degassing holes
- Drain holes
- Coal mine grouting holes
- Oil and gas drilling operations
| Size (mm) | Height | Pillar | Blade | Water Hole Quantity | Water Hole Dia. (mm) | Thread |
|---|---|---|---|---|---|---|
| 56 | 115 | 2 | 3 | 4 | 6-8 | Square / Taper / Lock |
| 60 | 115 | 2 | 3 | 4 | 6-8 | |
| 65 | 115 | 2 | 3 | 4-5 | 6-8 | |
| 75 | 125 | 2 | 3-4 | 4-6 | 6-10 | |
| 78 | 128 | 2 | 3-4 | 4-6 | 6-10 | |
| 85 | 128 | 2 | 3-4 | 4-6 | 8-12 | |
| 94 | 128 | 2 | 3-4 | 4-8 | 8-12 | |
| 113 | 135 | 3 | 3-4 | 6-8 | 8-12 | |
| 133 | 135 | 3 | 3-4 | 6-8 | 8-12 |
Jinzhou Shitan Machinery Equipment Co., Ltd. Main Products：
Pneumatic Drilling Rig / Air Drilling Rig（ST-180,ST-200,ST-260,ST-300,ST-350,ST-400,ST450,ST-450,ST-500, ST-600,ST-800 and other Pneumatic water well drilling Rigs.）, Crawler Water Well Drilling Rig / Trailer Mounted Drilling Rig / Water Well Drilling Rig / Hydraulic Borewell Machine / Hard Rock Drilling Equipment / Diamond Core Drill Rig / Geological Drilling Rig / Soil Testing Drilling Rig / Portable Water Well Drilling Rig（ST-30，ST-50，XY-1A, XY-1B, XY-2, XY-2B,GK180, GK200, GY150, GY200 and 30 impact drill rig,ZLJ series tunnel drilling rig and other geological drilling machines）Crawler Track Undercarriage, Drilling Mud Pump（BW150,BW160,BW200,BW250,BW850 series Drilling mud pumps）, Drilling Air Compressor, Water Well Drill Bits（PDC Drill Bit， Tricone Bit， DTH Button Bit）, Water Well Drill Pipe, Drilling Rig Spare Parts( drilling rods , drilling rods joint , casing pipe, casing coupling, core tube, core tube coupling, lifters, automatic drop hammer, sampler, SPT tool, wrench fork, pad fork, lock joint), Track Transporter
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