Tungsten Carbides DTH Hammer Bits ND25 High Drilling Efficiency , 1 Inch - 2 Inch Size
Description
DTH bits are paired with their corresponding hammers (by drilling hole diameter and spline configuration). Customers can customize their DTH bits in various ways, such as changing the tungsten carbide insert profile (spherical, ballistic, etc.), face profile (flat face, concave, convex, etc.), and flushing holes.
• Medium to large size drilling diameters
• Works in high pressure range, capable of drilling deep hole lengths
Down the hole hammers are connected with down the hole bits to do the drilling works. New Diamond uses high quality steel and the best level tungsten carbide as the raw material,with it's special heating treatment technique and advanced carbide inserting technique ,the bits perform well even on the hard rock formations and save the energy to a maximum limit at the same time.
Applications
It is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge, construction and so on.
Specifications
| 1-2” Middle Air Pressure DTH Bits |
| THE Drill Head Diameter(mm) | Spline Key Number | NO.Air Holes | Gauge Buttons | Front Buttons | Weight(KG) |
| 76 | 6 | 2 | 6XØ13 | 5XØ10 | 3.6 |
| 82 | 6 | 2 | 6XØ14 | 4XØ11 | 4.0 |
| 90 | 6 | 2 | 8XØ12 | 5XØ12 | 4.2 |
| WE can design and manufacture according to customers requirement of the bit diameter,the NO.of air holes,carbide buttons and the face shape. |
Feature Advantage
1. Long life span: the wear-resist of tungsten carbides is 10-20 times higher compared with other similar materials, which greatly extends the life of the carbide bits;
2. High drilling efficiency: the high grade hardness of the carbides can always stay sharp, which could increase the drilling speeds too;
3. New Diamond's bits are widely used in different rock formations like carbonate rock,limestone,chalk rock, clay rock,siltstone and sandstone;
4. It can greatly reduce the drilling cost, because of its high drilling speed and life span, which reduces the times to changes bits in the drilling service.
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