Dth Down Hole Hammer Bits good penetration long service life
5-inch Alloy Steel DTH Hammer Bits DHD350 COP54 140mm
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.
Advantages
* Long service life: abrasive ratio of cemented carbide is 10-20 times more than similar products, so the service life is greatly extended.
* High drilling efficiency: cemented carbide is of high hardness and good abrasion resistance. The drilling bit always keep sharps, thus largely increase the drilling speed.
* Wide application: The drilling bit is applicable for drilling the medium and hard strata, like carbonate rock, limestone, chalk rock, clay rock, siltstone, sandstone, etc.
* Because of fast drilling speed and long service life, the tripping times is less, and the drilling cost is greatly reduced, and it has superior cost performance ratio.
Specifications
| DHD | Head shape |
Diameter (mm) |
Number of vents | NO X button diamter | weight (KG) | ||
| Toothed | Gauge | Front | |||||
| DHD350 | Concave Face | 146 | 2 | Round Button | 8XØ18 | 4XØ15+3XØ14 | - |
| Flat Face Bit | 165 | 2 | Round Button+Ballistic Button | 8XØ18 | 9XØ14 | - | |
| DHD350A | Convex Face | 140 | 2 | Round Button+Ballistic Button | 7XØ18 | 4XØ15+3XØ14 | 15.8 |
| Flat Face Bit | 152 | 2 | Round Button+Ballistic Button | 8XØ18 | 8XØ14 | 17 | |
| Concave Face | 170 | 2 | Round Button | 8XØ18 | 6XØ15+4XØ14 | - | |
| Concave Face | 200 | 3 | Round Button | 9XØ18 | 6XØ16+6XØ14 | - | |
| We can design and manufacture according to customers requirement of the bit diameter,the NO.of air holes,carbide buttons and the face shape. | |||||||
The appearance of the picture is different from that of the actual product, and the actual product is the standard.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.