| Customization: | Available |
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| Certification: | ISO 9001:2000, SGS |
| Standard: | GB |
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DTH hammer bit manufacturer KINGDRILLING DTH hole opener bits are manufactured from the highest quality aircraft alloy steel. Which are used to enlarge the size of a pilot hole most commonly for Blast hole drilling, Quarrying, DTH Drilling, Water Well Drilling, Oil Drilling, Construction, Foundation Drilling. KINGDRILLLING offers a wide size of DTH hole opener bits, Guide diameter scope from 95mm to 311mm, Reamed diameter scope from 130mm to 444.5mm, DTH hammer size from 3.5", 5", 6", 8", 12" with all industry DTH hammer shanks for a match.
Applications of Hole Opener Drill Bits:
Oil and Gas Drilling: In the oil and gas industry, hole opener drill bits are used to enlarge boreholes for casing installation, well completion, and other downhole operations. These drill bits play a crucial role in enhancing well productivity and integrity.
Mining Operations: Hole opener drill bits are employed in mining applications to enlarge blast holes, ventilation shafts, and other underground openings. The precision and efficiency of these drill bits contribute to improved mining operations.
Construction Projects: Hole opener drill bits are utilized in construction projects to enlarge holes for piling, foundation work, and tunneling. The ability to create accurately sized openings is essential for ensuring structural stability and project success.
Geothermal Drilling: In geothermal drilling, hole opener drill bits are used to enlarge boreholes for the installation of geothermal heat exchange systems. These drill bits help optimize heat transfer efficiency and overall system performance.
Water Well Drilling: Hole opener drill bits are employed in water well drilling operations to enlarge boreholes for casing installation and well development. The precise control offered by these drill bits is instrumental in ensuring water well integrity and longevity.
| Model | Guide Dia. A (mm) | Reamed Dia. B (mm) | Qty.× Button Dia (mm) | Shank | Weight (kg) | |
| Gauge | Front | |||||
| MDO95D3.5 | 95 | 130 | 6×14 2×14 | 4×11 3×11 | DHD3.5 | 8.5 |
| MDO80D3.5 | 80 | 165 | 8×14 | 8×13 6×11 | 15.1 | |
| MDO100D3.5 | 100 | 165 | 8×14 | 4×13 4×12 3×12 | 14.5 | |
| MDO110D3.5 | 110 | 165 | 8×14 | 4×13 | 15.2 | |
| MDO100D4 | 100 | 165 | 8×14 | 4×13 4×12 3×12 | DHD340 | 14.5 |
| MDO115D4 | 115 | 171.5 | 9×16 | 6×14 | 16.1 | |
| MDO75D5 | 75 | 152 | 8×18 | 6×14 2×14 2×14 | DHD350R | 35.2 |
| MDO165D6 | 165 | 191 | 10×16 | 3×14 4×14 | DHD360 | 74.5 |
| MDOD108D6 | 108 | 220 | 10×18 | 12×18 2×14 2×14 | 79.3 | |
| MDO165D6S | 165 | 254 | 12×18 | 12×16 4×14 5×14 | 65.3 | |
| MDO140D8 | 140 | 200 | 10×18 | 8×12 2×14 4×14 | DHD380 | 10.6 |
| MDO188D8 | 188 | 254 | 22×18 | 2×18 | 147.4 | |
| MDO152D8 | 152 | 305 | 14×18 | 10×18 16×16 | 107.8 | |
| MDO210D8 | 210 | 381 | 16×18 | 28×18 | 12.5 | |
| MDO216D12 | 216 | 312 | 18×18 | 15×18 6×16 6×14 | DHD112 | 133.6 |
| MDO254D12 | 254 | 375 | 18×18 | 12×18 15×18 | 136.2 | |
| MDO311D12 | 311 | 444.5 | 18×19 | 15×19 21×19 | 328.5 | |
It is applicable for drilling the medium and hard strata, like carbonate rock, limestone, chalk rock, clay rock, silt stone, sandstone, etc.
Wuhan Kingdrilling Diamond CO., LTD, one of the most professional private manufacturer specialized in researching and producing Overburden casing drilling system, DTH hammer, DTH drill bits, Core bits, Thread bits, Taper bits, Shank adapter, Drilling rods, Coal mining picks and related rock drilling tools.
Relying on the university resources and talent advantages in High-tech region, combining with multiple laboratories in universities, we have more power focused on developing the newest products system.
Our DTH drilling tools are produced with advanced technology from Britain. The company is equipped with advanced production facilities including electron-hydraulic forging hammer, multipurpose furnace heat treatment production line, high performance CNC machines, from raw materials prepared, forging, heat treatment, mechanical processing, a completed manufacturing system is finished in the factory. Strict quality control standards make sure stable quality.
Whatever in construction, engineering, piling, water well drilling, tunneling, mining, quarrying or horizontal drilling industry, KINGDRILLING will do the best to satisfy your demands. "Kingdrilling, Keep On Striving", we'll always be in this line to serve our customers the most reliable products and the best support.
1.Pre-sale service:
If demand, assist clients to get rich and generous returns on their investments.Select DTH tools model.Design and manufacture down the hole products according to client's requirement.
2.Services during the sale:
Assist clients to draft solving plans.
Pre-check and accept Rock drill products ahead of delivery.
3.After-sale services:
Our sales team will response for your question within 24 hours (Holidays Excluded)
Technical Support will be available in any time.
Free replacement can be provided once the failure confirmed caused by our product quality.
Packed by Carton or Wooden cases.
Delivery:Transprotation: By air, By Express or By sea / By train , according to your requests.
1. How to order the products?
A: Please send the inquiry with detail item description or with Model number.
2. Can I expect a quality products?
A: Yes. mature production technology ensuring the quality satisfy international request.
3. How to check the product are the exact one you want?
A: If possible, please attach one reference picture to avoid any misunderstanding or any links from ourwebsite for a better understanding.
4. How to make sure the quality?
A: More than 40 Years engineer to make sure the quality, 100% inspection.
5. What is the general delivery time?
A: 15 working days for DTH bits.
20-25 working days for DTH hammer
3-5 working days for ex stock items.
6. Methods of Payment
A: T/T (Telegraphic Transfer) or Western Union.
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