Reverse circulation drill bit

Specifications

Applicaiton field: Geological  exploration , ore mining ,Oil wells etc

Face design: flat, convex, concave

Inserts design: spherical, ballistic, parabolic

Features:1. Reliable quality
                           2.Long service life
                           3.Rare abnormal breakage during service life
                            4.Good flushing effect

Markets: Italy, France, Russia, Greece,Canada,Korea, Chile, Brazil, Nigeria, Mongolia and etc.

Order guice:

Examples for Ordinary Bits

Concave,spherical(Other designs of faces and inserts are available)

Photos:

With 2 air holes

Good flushing effect to ensure high drilling rate        

How to complete the whole deal

Step: 

1. Firstly decide the design, material and color 

2. Decide the size in accordance with client's requirement and our

 recommendation 

3. We will give the best offer. 

4. Client's accept the offer and we send proforma invoice. 

5. Client transfers 30%-50% deposit and production begins

6. After production, we will send ready products photo 

7. After client's confirmation, we will arrange shipment, and send 

copy shipping documents like B/L, commercial invoice and 

packing list 

8. Client transfer balance payment and we will send original 

documents by DHL or EMS