Product Description 1.high and low air pressure down-the-hole drill bits 2.Low air pressure holeDia.:65-220mm 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. 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. Main Advantages of 254mm 10 inch water well drill bits for hard rock :  Factory description :  1.Advanced equipment  2. Professional technicians  3. Strict production process 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. ZHAOXING is worth of your choice! 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 hours   b. Technical Support will be available in any time
Parameters of 254mm 10 inch water well drill bits for hard rock:
About the quality:
Â
Drill Bit Series
Bit Dia (mm)
Gauge
ButtonsFrontÂ
ButtonsWeight(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
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.
 
Company Introduction :
 
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
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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254mm 10 Inch Water Well Drill Bits for Hard Rock
Quality: 95% Closed to Atlas Ect.
Diameter: 64mm-998mm
Button Shape: Round/Parabolic/Ballistic/Sharp/Falt Bottons
Face Shape: Center Drop/Flat/Convex/Concave/Double Gauge Face
Use: Water Well Drilling / Mining /Quarry
Color: as Your Request
Model: DHD Cop Mission Ql SD Br CIR
Certificate: ISO9001:2008
Trademark: MEGAROC
Transport Package: Carton Box, Wooden Box
Specification: DHD, COP, SD, QL, MISSION, BR, NUMA
Origin: Xiamen, Fujian, China