8 inch water well drilling bits for dhd 380 hammers for water well drilling rigs
Now the high pressure DTH drill bit is currently used in the face design. There are four main types: end surface convex surface, end surface planar surface, end surface concave surface and end surface deep concave center type. Carbide more choice of ball teeth, spring teeth or ball teeth and spring teeth shared tooth mode.
Roschen has a comprehensive range of DTH drill bits to match all conceivable applications. Each bit is made from quality alloy steel, and has been precision machined to produce a perfect body, heat treated to the required hardness, given surface compression for fatigue resistance, and fitted with precision buttons manufactured in-house. These are deigned for specific applications for all rock types, hardness's and condition. Bit life and rate of penetration are the most important criteria in selecting the right bit for a particular application.
Product specification:
For 8" hammer
DTH bits shank | Bit Dia. | No.
Air Holes | Gauge
Buttons | Front
Buttons | Weight
(Kg) | Part No. |
| mm | inch |
| DHD380/COP84 | 195 | 7 11/16 | 3 | 9×φ18 | 9×φ16 | 32 | DHD380-195 |
| 203 | 8" | 2 | 9×φ18 | 10×φ18 | 41 | DHD380-203 |
| 216 | 8 1/2" | 2 | 10×φ18 | 12×φ16 | 49 | DHD380-216 |
| 254 | 10" | 3 | 11×φ18 | 17×φ16 | 71 | DHD380-254 |
| 305 | 12" | 4 | 12×φ18 | 29×φ16 | 95 | DHD380-305 |
| SD8 | 195 | 7 11/16 | 3 | 9×φ18 | 9×φ16 | 32 | SD8-195 |
| 203 | 8" | 3 | 9×φ18 | 9×φ18 | 41 | SD8-203 |
| 216 | 8 1/2" | 2 | 10×φ18 | 12×φ16 | 49 | SD8-216 |
| 254 | 10" | 3 | 11×φ18 | 17×φ16 | 71 | SD8-254 |
| 305 | 12" | 4 | 12×φ18 | 29×φ16 | 95 | SD8-305 |
| QL80 | 195 | 7 11/16 | 3 | 9×φ18 | 9×φ16 | 32 | QL80-195 |
| 203 | 8" | 3 | 9×φ18 | 9×φ18 | 41 | QL80-203 |
| 216 | 8 1/2" | 2 | 10×φ18 | 12×φ16 | 49 | QL80-216 |
| 254 | 10" | 3 | 11×φ18 | 17×φ16 | 71 | QL80-254 |
| 305 | 12" | 4 | 12×φ18 | 29×φ16 | 95 | QL80-305 |
| Mission80 | 195 | 7 11/16 | 3 | 9×φ18 | 9×φ16 | 35 | M80-195 |
| 203 | 8" | 3 | 9×φ18 | 9×φ18 | 40 | M80-203 |
| 216 | 8 1/2" | 2 | 10×φ18 | 12×φ16 | 54 | M80-216 |
| 254 | 10" | 3 | 11×φ18 | 17×φ16 | 57 | M80-254 |
| 305 | 12" | 4 | 12×φ18 | 29×φ16 | 77 | M80-305 |
Advantages:
1. The carbide we using the brand of KD10.This carbide is using 's technique.
2. We use high quality special steel and mature and stable heat treatment process.
3. In addition, we have more than 20 years of drilling equipment production experience.
Is right to chose us-Putian Qideli Drilling Tools Co.,Ltd.
Main dimension:
About us:
Putian Qideli drilling tools Company was founded in 2010, is specialized in the production and operation of mining drilling tools, research and development-oriented enterprises. 20 years, the production of chisel-bits, cross-bits, button bits, thread bits, PDC bits high and low air pressure DTH bits, DTH hammer, drill rods, etc, are widely used in energy, metallurgy, geology, coal, water conservancy, chemical industry and the mining, road construction, has been unanimously endorsed by the majority of users. Basing on our complete product and excellent quality, We have a certain domestic markets, also export to Russia, Japan, Southeast Asia and other regions alsowhile
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Mining 8 Inch Water Well Drill Bits , Rock Drill Bit For Dhd 380 Hammers Images
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