China Ql40 Ql50 Hard Rock Blast Hole Drilling Bit for Granite

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.

Parameters of 6 inch 165mm 158mmblast hole drilling bit:
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.

Drill Bit SeriesBit Dia (mm)Gauge
ButtonsFront
ButtonsWeight(Kg)MHD45(DHD340A, Cop44)1056xφ145xφ138.51107xφ146xφ138.81158xφ147xφ1391208xφ148xφ139.81279xφ149xφ1411MHD55(DHD350R, Cop54)1337xφ166xφ14161408xφ167xφ1416.51468xφ168xφ14171528xφ167xφ1617.51658xφ168xφ1618.5
Main Advantages of QL40 QL50 hard rock blast hole drilling bit for granite :
NO.AdvantagesDescription1Quality95% quality similarity with world top class brands,such as atlas Copco etc.2Shank TypeOur products can be suitable for many types of DTH Hammer, such as QL, Mission, COP, IR, SD,HD,DHD,BR,CIR etc.3MaterialsOur products adopt high-quality raw materials, advanced technology and passed through strictly inspection, making sure the high quality of every dth bits4AdvantagesOur dth bits can transmit intensive impact energy into the rock with the least loss of energy, which can help you improve efficiency and reduce costs5Product lifeWe 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.
Factory description :

1.Advanced equipment
2. Professional technicians
3. Strict production process
Company Introduction :

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.
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 & PACKAGES :
Inner package : Carton / original package
Outside package : 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 hours
b. Technical Support will be available in any time
If you have any interertest in them ,pls contact with me now :
Mobile number : + 8615980939471