Product Description
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.
Technical Date
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 |
How to order:
Shank Type + Head Diameter + Face Design + Button Shape
Our Advantages as below:
1. Kingdrilling DTH tools are forged by advanced electron-hydraulic forging hammer.
2. Advanced heat-treatment equipment: multipurpose furnace heat treatment.
3. Completed moulding (tooling ) departments with many molds available.
4. Professional R&D team,completed quality system.
5. Strict Quality-Check Systems.
FAQ:
1. How to order the products?
A: Please send the inquiry with detail item description or with Model number.
2. How about the common packing?
A: If there is no special packing demand, we will take it as our normal packing. First in small carton, and then put in the bigger carton together to make sure goods completed.
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 control quality?
A: We have our own experienced QC team,there will be strict inspection and testing for each order before shipping out.
5.Shipping way:
A: Sample order: we suggest Courier express delivery such as DHL/UPS/TNT/FEDEX or by air
Bulk order: by air or by sea we suggest.
6. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union.
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About our Company
Kingdrilling Machinery Co. , Ltd is established in 2005 years. Located in Wuhan East Lake High-tech Development Zone, is one of the most important manufacturers specialized in researching and producing Casing drilling system, DTH hammer, DTH bit, thread DTH bits, taper DTH bits, coupling sleeve, Anchor, Shank adapter, coal picks and so on.
Relying on the university resources and talent advantages in Optical Valley region, combining with multiple laboratories in universities, we focused on developing the newest products system.

Transport:
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Package and Delivery:
Packed by Carton or Wooden cases.
Delivery:
- Goods in stock can be delivered within 5 days.
- DTH Bits production time is about 15 days.
- DTH Hammer product time is about 30 days.
