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1.exploration bit to get exact samples, 2.the air circulation reversed with the normal dth, 3.long service life, 4.ISO9001 - details see: https://www.machineto.com/reverse-circulation-drill-bits-10318586

reverse circulation drill bit

Applicaiton field:

Geological exploration , ore mining ,Oil wells etc

Face design:

1.drop center with spherical buttons.

2. larger and better machining in air holes

Features:

1. strict selection of material and processes to ensure reliability

2. different designs to suit for different rock formation requirements

3.helpful and effective to get the samples from bottom of the hole

4. good quality rock samples to be analysis

5. reliable quality guarantee

6. field guide service is also available

7. exchanged bits shank with Sandvik RC bits

Markets:

Australia, Chile, South Africa, Western Africa,Russia, Mongolia and etc.

Photos:

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