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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. 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.
Features of Hole Opener Drill Bits:
Cutting Structure: Hole opener drill bits feature robust cutting structures composed of high-quality materials such as tungsten carbide or industrial-grade diamonds. These cutting elements are strategically placed to optimize cutting efficiency and durability.
Body Design: The body of a hole opener drill bit is typically constructed from high-strength steel or alloy materials to withstand the rigors of drilling operations. The design of the body may vary based on the specific drilling conditions and requirements.
Pilot Bit: Many hole opener drill bits incorporate a pilot bit at the center to guide the tool accurately along the existing borehole. The pilot bit helps maintain alignment and stability during the enlargement process.
Reamer Arms: Some hole opener drill bits feature reamer arms that extend outward to further enlarge the hole diameter. These arms can be configured in different arrangements to optimize cutting efficiency and hole quality.
Connection Options: Hole opener drill bits are designed to be compatible with various drilling systems, including tricone, PDC (polycrystalline diamond compact), and other drilling tools. The connection type and size can be customized to fit specific drill strings.
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 commonly used for Blast hole drilling, Quarrying, DTH Drilling, Water Well Drilling, Oil Drilling, Construction, Foundation Drilling.
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.