Hunan New Diamond Construction Machinery Co., Ltd.
Hunan New Diamond Construction Machinery Co., Ltd.
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Down The Hole Button Drill Bit 12 Inch DHD1120 For DTH Drilling Machine
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
It is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge, construction and so on.
Specifications
| THE Drill Head Diameter(mm) | Spline Key Number | NO.Air Holes | Gauge Buttons | Front Buttons | Weight(KG) |
| 305 | - | 4 | 12XØ18 | 36XØ16 | 152.0 |
| 311 | - | 4 | 12XØ18 | 36XØ16 | 157.0 |
| 330 | - | 4 | 16XØ18 | 42XØ16 | 165.0 |
| 346 | - | 4 | 16XØ19 | 48XØ16 | 178.0 |
| 381 | - | 4 | 16XØ19 | 48XØ16 | 198.0 |
| 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. The use of industry-leading heat treatment technology, steel body hardness, wayward counterparts Products in a leading position.
2. Alloy tooth using professional technology, greatly enhance the strength of alloy teeth.
3. Perfect after-sale guarantee system and after sales service tracking, perfect solve customer problems.
