Order Guide:

Bit Diameter + Taper Degree + Skirt Length + Insert Shape

What we can do for you:

1. High quality: We are the partners with a lot of big factories in China. We can provide the best quality products to you. 

2. Competitive price: Competitive price because of direct factory price. 

3. Fast delivery time:usually it takes 25 days for production.only 3 or 5 days if we have stock of your request size.

4. Best quality control:We have our own experienced QC team,there will be strict inspection and testing for each order before shipping out.

5. Problems solve ability:This ability comes from rich experiences of drill bits industry and reliable sales..

6. OEM,ODM service:your own request about product will be served well.

FAQ:

1. Can I expect a quality products?

A: Yes. mature production technology ensuring the quality satisfy international request.

2. How to make sure the quality?

More than 40 Years engineer to make sure the quality, 100% inspection

3. Shipping way:

A: Sample order: we suggest Courier express delivery such as DHL/UPS/TNT/FEDEX or by air

Bulk order: by air or by sea we suggest.

4. What is the Application?

Mining, Quarrying, Tunneling, Construction, Geological Exploration, Water-well Drilling, Oilfield & Gas Industries.

5. Product feature

Kingdrilling DTH tools are forged by advanced electron-hydraulic forging hammer, and harness process is managed by multipurpose furnace heat treatment.

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

a. Concave:

Suitable for all kinds of formation, especially for deep well drilling, perpendicularity of the hole is wonderful.

b. Convex: 

Suitable for the formation of moderate hardness stratum, drilling efficiency is good, borehole perpendicularity is moderate.

c. 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.

About our Company 
Kingdrilling Machinery Co. , Ltd is established in 2005 years. Located in Wuhan East Lake High-tech Development Zone, is one of the most important manufacturers specialized in researching and producing Casing drilling system, DTH hammer, DTH bit, thread DTH bits, taper DTH bits, coupling sleeve, Anchor, Shank adapter, coal picks and so on.

Relying on the university resources and talent advantages in Optical Valley region, combining with multiple laboratories in universities, we focused on developing the newest products system.



Transport:

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.