Hunan New Diamond Construction Machinery Co., Ltd.
Hunan New Diamond Construction Machinery Co., Ltd.
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8 Inch Durable Carbide Rock Drill Bits / Downhole Drilling Tools ND85 DHD380 COP84 For Construction
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.
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.
Specifications
| 8” Middle Air Pressure DTH Bits | |||||
| THE Drill Head Diameter(mm) | Spline Key Number | NO.Air Holes | Gauge Buttons | Front Buttons | Weight(KG) |
| 195 | 10 | 3 | 9XØ18 | 9XØ16 | 33.0 |
| 203 | 10 | 2 | 10XØ18 | 13XØ16 | 40.0 |
| 216 | 10 | 2 | 10XØ18 | 14XØ16 | 49.0 |
| 254 | 10 | 3 | 12XØ18 | 17XØ16 | 71.0 |
| 305 | 10 | 4 | 12XØ18 | 29XØ16 | 95.0 |
| 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. Lower cost: in order to ensure the high reliability of products, raw material selection are usinggrapefruit brand products; under the same competitive conditions, and not to reduce product technicalperformance on the basis of sincerity at a favorable price to customers.
2. Quality commitment: product manufacturing and testing have quality records and inspection data; the performance of the product can withstand customer inspection.
3. Customer service: for any questions, please contact us, we will reply to you as soon as possible.
