Active Member
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[China]
Address: PinJiang Industry Park,PingJiang county,YueYang City,Hunan,China.
Contact name:Rick Liao
Hunan New Diamond Construction Machinery Co., Ltd. |
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NUMA100 DTH Rock Drill Accessories High Wear Resistance For Rock Drill Down Hole
Description
Hunan New Diamond offers top quality DTH hammers and bits which have been tested in the hardest rock formation. Our bits use quality hardened steel alloy for the bit body and premium quality tungsten carbide buttons. With superb performance and long life span. Our bits won high reputation among our customers.
1. Button Shape: Spherical,Semi-ballistic,Ballistic.
2. Durable performance, wear resistant and withstanding large
impacting force.
3. Long life span.
5. Fast delivery time.
Specifications
| NUMA | Head shape | Diameter mm | Number of vents | NO X button diamter |
weight (KG) | ||
| Toothed | Gauge | Front | |||||
| NUMA100 | Convex concave | 275 | 2 | Round Button | 12XØ19 | 8XØ18+19XØ16 | - |
Convex concave | 305 | 3 | Round Button | 15XØ19 | 27XØ18+8XØ16 | - | |
Convex concave | 350 | 4 | Round Button | 16XØ19 | 32XØ18+14XØ16 | - | |
We can design and manufacture according to customers requirement of the bit diameter,the NO.of air holes,carbide buttons and the face shape. | |||||||
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.
