High Speed Drilling Power Tool Hole Opener Bit Rock Reamer for Mining
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 |
Advantages :
(1) Wear pads, back reamer buttons, and or buttons on the pilot can be added for an additional fee.
(2) The ability to use less powerful equipment than that required to drill the large diameter hole.
(3) Straighter holes result from the smaller pilot hole.
DTH bits for hole opener :
1.Manufacture as your requirement
2.Bit diameter, face shape
3.Carbide button shape
4.Number of air hole.
Application: Mining, Quarrying, Tunneling, Construction, Geological Exploration, Water-well Drilling, Oilfield & Gas Industries.
Quality: More than 40 Years engineer to make sure the quality, 100% inspection
Carbide Button: Spherical, Ballistic, Semi-ballistic.
Bit face: Convex, Flat, Drop Center.
Color: Green, Blue, Grey, as your demand.
How to choose the suitable head face of the DTH drill bit?
1. Concave:
Suitable for all kinds of formation, especially for deep well drilling, perpendicularity of the hole is wonderful.
2. Convex:
Suitable for the formation of moderate hardness stratum, drilling efficiency is good, borehole perpendicularity is moderate.
3. Flat:
Suitable for special hard formation stratum, especially for fracture, crack spacing and complex formation drilling effect is very good, has the good perpendicularity of the borehole.
Company Profile
Our Advantages
- High quality steels materials. Steel is from TIMKEN and Tungsten carbide are YK05, or T6 from Element Six in Germany
- Kingdrilling DTH tools are forged by advanced electron-hydraulic forging hammer.
- Advanced heat-treatment equipment: multipurpose furnace heat treatment.
- Completed moulding (tooling ) departments with many molds available.
- Professional R&D team,completed quality system.
- 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. Can I expect a quality products?
A: Yes. mature production technology ensuring the quality satisfy international request.
4. 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 our website for a better understanding.
5. 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.
6. Fast delivery time:
A: Usually it takes 25 days for production.only 3 or 5 days if we have stock of your request size.
7. 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.
8. Competitive price:
A:KINGDRILLING factory can supply you the lowest price due to direct sale to customers without distributor!
The information you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 25 days for production.
Only 3 or 5 days if we have stock on your request size.
3. Shipping way
Sample order: We suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: We suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for each order before shipping out.
5. After Services:
1. Our sales team will response for your question within 24 hours (Holidays Excluded).
2. Technical Support will be available in any time.
Product Application
Transport
Packaging & Shipping
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.
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