• Model NO.：MDHD275-356
• Trademark：MING
• Origin：China
• HS Code：8207199000
• Production Capacity：20000PCS,Year

8 inch high air  pressure DTH bits

MDDHD380-203

203

10*Φ18

10*Φ16

2

37.0

MDDHD380-216

216

10*Φ18

12*Φ16

2

48.0

MDDHD380-241

241

12*Φ18

18*Φ16

2

63.0

MDDHD380-254

254

12*Φ18

21*Φ16

3

70.0

MDDHD380-305

305

12*Φ18

29*Φ16

4

94.0

We can design and manufacture the different diameter,holes number,carbide button shape and face shape according to the customers' requirement.
Order Guide: Shank + Head Diameter + Face Design + Button Shape

Feature:
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.
Strict Quality-Check Systems.



The information 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 25 days for production.
Only 3 or 5 days if we have stock on your request size.
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 each order before shipping out.
5. After Services:
1. Our sales team will response for your question within 24 hours (Holidays Excluded)
2. Technical Support will be available in any time


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:


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.