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Mdql50-140 Inch Borehole Drilling DTH Bit for Hard Rock

Shanghai Kangjiebao New Chemical Materials Co., Ltd. / 2022-07-04

Certification：ISO 9001:2000, SGS
Standard：GB
Surface Treatment：Spray-Paint
Manufacturing Process：Forging
Material：Carbon Steel
Transport Package：Wooden Case

=== Base Info ===

Model NO.：MDQL50-140
Trademark：MING
Origin：China
HS Code：8207199000
Production Capacity：20000PCS,Year

=== Description ===

12 inch high air pressure DTH bits

MDQL12-305

305

12*Φ18

36*Φ16

156.0

MDQL12-311

311

12*Φ18

36*Φ16

168.0

MDQL12-330

330

16*Φ18

42*Φ16

180.0

MDQL12-356

356

16*Φ19

48*Φ16

191.0

MDQL12-381

381

16*Φ19

48*Φ18

200.0

How to order:

Shank Type + Head Diameter + Face Design + Button Shape

How to choose the buttons:

1. Domed/round buttons

Domes/round buttons are usually used as gauge buttons of DTH bits, suitable for very abrasive and very hard formations.

2. Parabolic buttons

Parabolic buttons are usually used as gauge buttons and front buttons of DTH Bits, suitable for medium abrasive and hard formations.

3. Ballistic button

Ballistic button are usually used as front buttons of DTH bits, suitable for medium abrasive and medium hard formations. They can also be used as gauge buttons if the rock is soft.

Our Advantages as below:

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

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

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

7. 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.

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

Product Application:
Mdql50-140 Inch Borehole Drilling DTH Bit for Hard Rock

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.
Mdql50-140 Inch Borehole Drilling DTH Bit for Hard Rock