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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Down The Hole Hard Rock Drilling Bit DHD380 COP84 ND85
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.
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.
Specifications
| DHD |
Head shape | Diameter (mm) | Number of vents |
NO X button diamter | weight (KG) | ||
Toothed | Gauge | Front | |||||
| DHD380 | Convex Face | 203 | 2 |
Round Button | 10XØ18 | 15XØ16 | |
| Flat Face Bit | 216 | 3 |
Round Button | 12XØ18 | 14XØ16 | ||
| Flat Face Bit | 254 | 2 |
Round Button | 12XØ18 | 28XØ16 | ||
| Convex Face | 305 | 3 |
Round Button | 15XØ18 | 12XØ18+24XØ16 | ||
| DHD380A | Concave Face | 203 | 2 |
Round Button | 10XØ18 | 4XØ18+10XØ16 | |
| Convex concave | 254 | 2 |
Round Button | 12XØ18 | 8XØ18+18XØ16 | ||
| We can design and manufacture according to customers requirement of
the bit diameter,the NO.of air holes,carbide buttons and the face
shape. | |||||||
Applications
Widely used in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole,mountain reinforcement, anchorage and other engineering holes, geothermal exploration hole, Well bore and other fields.
The appearance of the picture is different from that of the actual product, and the actual product is the standard.
