• Model NO.：MDHM8-254
• Trademark：MING
• Origin：China
• HS Code：8207199000
• Production Capacity：20000PCS,Year

12 inch high air pressure DTH bits

MDHM12-305

305

12*Φ18

36*Φ16

4

152.0

MDHM12-311

311

12*Φ18

36*Φ16

4

158.0

MDHM12-330

330

16*Φ18

42*Φ16

4

165.0

MDHM12-356

356

16*Φ19

48*Φ16

4

178.0

MDHM12-381

381

16*Φ19

48*Φ18

4

195.0

MDHM125-305

305

12*Φ18

36*Φ16

4

170.0

MDHM125-311

311

12*Φ18

36*Φ16

4

173.0

MDHM125-330

330

16*Φ18

42*Φ16

4

182.0

MDHM125-356

356

16*Φ19

48*Φ16

4

191.0

MDHM125-381

381

16*Φ19

48*Φ18

4

200.0

1. High quality steels materials. Steel is from TIMKEN and Tungsten carbide are YK05, or T6 from Element Six in Germany
2. Kingdrilling DTH tools are forged by advanced electron-hydraulic forging hammer.
3. Advanced heat-treatment equipment: multipurpose furnace heat treatment.
4. Completed moulding (tooling ) departments with many molds available.
5. Professional R&D team,completed quality system.
6. Strict Quality-Check Systems.

How to order:

Shank Type + Head Diameter + Face Design + Button Shape

FAQ:

1. How to order the products?

A: Please send the inquiry with detail item description or with Model number.

2. Can I expect a quality products?

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

3. How to control quality?

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

4. Competitive price:

A: KINGDRILLING factory can supply you the lowest price due to direct sale to customers without distributor.

5. What is the Application?

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

6. Product feature

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

7. 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.