311mm Used Water Well Screw Rotary Drill Bit

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

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.

311mm Used Water Well Screw Rotary Drill Bit



Parameters of 311mm used water well screw rotary drill 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 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 311mm used water well screw rotary drill bit :

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.

 

Factory description :
 

 1.Advanced equipment

 2. Professional technicians

 3. Strict production process

311mm Used Water Well Screw Rotary Drill Bit




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.

ZHAOXING is worth of your choice!

311mm Used Water Well Screw Rotary Drill Bit


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 .....

311mm Used Water Well Screw Rotary Drill Bit


SHIPPING & PACKAGES : 

Inner package : Carton / original package
Outside package : wooden case

311mm Used Water Well Screw Rotary Drill Bit



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

Quality is our culture !!!

If you have any interertest in them ,pls contact with me now :

Mobile number :    + 8615980939471 
  
  
  

Molybdenum Scrap

The biological properties of molybdenum are also important, as it is an essential trace element not only for plants but also for animals. Molybdenum is one of the main components of molybdenum flavin protease in nitrogen-fixing bacteria in plants; it is also one of the main components of plant nitrate reductase; it can also stimulate the activity of phosphatase, promote the synthesis and transportation of sugar and starch in crops; it is conducive to early maturity of crops . Molybdenum is one of seven important micronutrients. Molybdenum is also one of the basic components of xanthine oxidase and aldehyde oxidase in the liver and intestine of animals, and also the basic component of heparin sulfite oxidase. Studies have shown that molybdenum has obvious anti-caries effect, and molybdenum has a strong inhibitory effect on the formation of urinary stones. A healthy person weighing 70kg contains 9mg of molybdenum in the body. For humans, molybdenum is the only element known to be essential to humans among the second and third transition elements. Compared with similar transition elements, molybdenum has extremely low toxicity and can even be considered basically non-toxic. Of course, excessive ingestion also accelerates the oxidation of the elastic substance - plasmalogen - in the walls of human arteries. Therefore, in areas with high molybdenum content in the soil, the incidence of cancer is lower, but the incidence of gout and systemic arteriosclerosis is higher. Animals, especially long-horned animals, who eat forages containing excessive molybdenum are prone to stomach problems.

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