Numa Shank DTH Hammer Drill Bit Mdhd525-711 for Rock Mining

• 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.：MDHD525-711
• Trademark：MING
• Origin：China
• HS Code：8207199000
• Production Capacity：20000PCS,Year

=== Description ===
12 inch high air pressure DTH bitsMDHM120-30530512*Φ1836*Φ164152.0 MDHM120-31131112*Φ1836*Φ164158.0 MDHM120-33033016*Φ1842*Φ164165.0 MDHM120-35635616*Φ1948*Φ164178.0 MDHM120-38138116*Φ1948*Φ184195.0 MDHM125-30530512*Φ1836*Φ164170.0 MDHM125-31131112*Φ1836*Φ164173.0 MDHM125-33033016*Φ1842*Φ164182.0 MDHM125-35635616*Φ1948*Φ164191.0 MDHM125-38138116*Φ1948*Φ184200.0
How to choose the suitable head face of the DTH drill bit?

1.  Concave:

1.  Convex: 

1.  Flat:        

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:


Package and Delivery:
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.

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