Diamond, Composite Core Drill Bit Water Well Drill Bits
94mm High Efficiency Wear Resistance PDC Concave Carbide Rock Drilling Three Wing Drag Bits For Well Drilling
Product description
PDC concave drill bit is composed of PDC cutters and matrix body. With higher strength tungsten carbide body, the bit has better anti-erosive and toughness. The reliability and drilling efficiency is also improved by choosing premium PDC cutters.
Drill parameters
| Size(mm) | Cutting Wings | Water Hole | Thread | |||
| Dia. | Height | Pillar | Blade | Quantity | Dia.(mm) | |
| 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 | |
Suitable formation:
Medium-hard to hard, solid hard rock formations
Application:
Mainly used to drilling water well, geothermal well, degassing hole, drain hole, and grouting hole of coal mine, oil and gas drilling.
Main Features
A.Wear resistance and high impact toughness
B.Adopting advanced technique and mature process to manufacture.
C.Drilling speed is high in soft to medium hard rocks.
D.Have long service life.
E. Suit with hydraulic drilling rig.
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