Product Description
1.high and low air pressure down-the-hole drill bits
2.Low air pressure holeDia.:65-220mmÂ
3.High air pressure hole Dia.:85-305mm
4.Face type: drop center bit/concave face/convex face/double gauge face/flat face bit
5. Carbide button shape: domed/round button parabolic/semi-ballistic button ballistic button  sharp button flat button
6. Drill rock type:  Granite, Marble,  Limestone, Basalt, ect.
7. Project types: Blast holes, Quarry , Anchoring, Infrastructure, Geothermal holes, Well drilling,ect.
Parameters of 254mm 10 inch water well drill bits for hard rock:
About the quality:
Our DTH Bits has following advantages:
 1.  95% quality similarity with world top class brands,such as atlas Copco etc.
 2. Strong ability in drilling tools production.
 3.Strick quality control.
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| Drill Bit Series | Bit Dia (mm) | Gauge Buttons |
Front Buttons |
Weight(Kg) |
| MHD65(DHD360, Cop64) | 152 | 8×φ16 | 8×φ16 | 22 |
| 165 | 8×φ18 | 8×φ16 | 24 | |
| 178 | 8×φ18 | 8×φ16 | 26 | |
| 190 | 9×φ18 | 9×φ16 | 28 | |
| 203 | 10×φ18 | 10×φ16 | 29.5 | |
| MHD85(DHD380, Cop84) | 195 | 9×φ18 | 9×φ18 | 34 |
| 203 | 10×φ18 | 10×φ18 | 36 | |
| 216 | 12×φ18 | 12×φ18 | 45 | |
| 254 | 12×φ18 | 20×φ18 | 58 | |
| 305 | 12×φ18 | 30×φ18 | 75 |
Main Advantages of 254mm 10 inch water well drill bits for hard rock :
| NO. | Advantages | Description |
| 1 | Quality | 95% quality similarity with world top class brands,such as atlas Copco etc. |
| 2 | Shank Type | Our products can be suitable for many types of DTH Hammer, such as QL, Mission, COP, IR, SD,HD,DHD,BR,CIR etc. |
| 3 | Materials | Our products adopt high-quality raw materials, advanced technology and passed through strictly inspection, making sure the high quality of every dth bits |
| 4 | Advantages | Our dth bits can transmit intensive impact energy into the rock with the least loss of energy, which can help you improve efficiency and reduce costs |
| 5 | Product life | We select high-strength structure alloy steel and carbides with best quality to ensure the drill body and alloy body can achieve uniform wear, thus the service life of bits will be increased. |
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Factory description :
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 1.Advanced equipment
 2. Professional technicians
 3. Strict production process
Company Introduction :
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Xiamen Zhao Xing Electrical Equipment Co., Ltd. was established in 1996, with extensive experience in drilling area. We specializes in providing drilling solutions for our customers to improve efficiency and cost savings.
ZHAOXINGÂ is worth of your choice!
Exihibitions :
Unitl now, ZHAOXING  have participated in much exhibitions , such as mechanical exhibitions and stone exhibitions and so on . for example : Xiamen Internation Stone Fair / Shanghai Bauma Show / Carton Fair .....
SHIPPING &Â PACKAGES :Â
Inner package :Â Carton /Â original package
Outside package :Â wooden case
FAQ
The information about dth drill bit 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 20 days for production.
   in 3 working days after receiving the advance payment
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 every order before shipping out.
5. After Services:
  a. Our sales team will response for your question within 24 hoursÂ
  b. Technical Support will be available in any time
Quality is our culture !!!
If you have any interertest in them ,pls contact with me now :
Mobile number :Â Â Â Â + 8615980939471Â
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