35mm Drill Button Bits 11/12 Degree Taper Rock Bit for Foundation Drilling

Taper button bit as small hole bit is different with thread button bit as long hole bit to use taper rod to be used for air leg or hand held jack hammer driller in quarrying,and mining. 

Bit Diameter + Taper Degree + Skirt Length + Insert Shape

How to choose the suitable head face of the DTH drill bit?

 Concave: 
Suitable for all kinds of formation, especially for deep well drilling, perpendicularity of the hole is wonderful.
 Convex:  
Suitable for the formation of moderate hardness stratum, drilling efficiency is good, borehole perpendicularity is moderate.
 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.

It is widely used in all kinds of drilling, such as open-pit mining, underground mining, quarrying, tunneling, benching and engineering construction.

Wuhan Kingdrilling Diamond CO., LTD, one of the most professional private manufacturer specialized in researching and producing Overburden casing drilling system, DTH hammer, DTH drill bits, Core bits, Thread bits, Taper bits, Shank adapter, Drilling rods, Coal mining picks and related rock drilling tools.

Relying on the university resources and talent advantages in High-tech region, combining with multiple laboratories in universities, we have more power focused on developing the newest products system.

Our DTH drilling tools are produced with advanced technology from Britain. The company is equipped with advanced production facilities including electron-hydraulic forging hammer, multipurpose furnace heat treatment production line, high performance CNC machines, from raw materials prepared, forging, heat treatment, mechanical processing, a completed manufacturing system is finished in the factory. Strict quality control standards make sure stable quality. 

Whatever in construction, engineering, piling, water well drilling, tunneling, mining, quarrying or horizontal drilling industry, KINGDRILLING will do the best to satisfy your demands. "Kingdrilling, Keep On Striving", we'll always be in this line to serve our customers the most reliable products and the best support.

Act as a good adviser and assistant of clients enable them to get rich and generous returns on their investments .
1.Select equipment model;
2.Design and manufacture products according to client's special requirement ;
3.Train technical personnel for clients .

2.Services during the sale:

1.Pre-check and accept products ahead of delivery .
2. Help clients to draft solving plans .

3.After-sale services:

Provide considerate services to minimize clients' worries.
1.Complete After-sales service,professional engineers available to service machinery at home or oversea.
2. 24 hours technical support by e-mail.
3.Other essential technological service.

Packed by Carton or Wooden cases.
Delivery:

1. Goods in stock can be delivered within 5 days.
2. DTH Bits production time is about 15 days.
3. DTH Hammer product time is about 30 days.

Transprotation: By air, By Express or By sea / By train , according to your requests.

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 can quality be managed?
A meticulous inspection and testing process will be performed on every order prior to shipment by our highly skilled quality control staff.

6. Quick delivery:
A: Production usually takes 25 days.merely three or five days if the size of your order is in stock.

7. Mode of shipment:
A: Sample order: we advise air or sea delivery; bulk order: we advise air or courier express delivery by DHL, UPS, TNT, or FEDEX.

8. Competitive pricing:
A: Because KINGDRILLING factory sells directly to customers without the need for a distributor, it can offer you the best price!

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