Structure features:

1. 5 blade type tire body bit, long cutting line crown

2. replaceable threaded nozzles

3. Polishing cutter cut shear force, improve the cuttings migration status, improve the drilling rate and drilling efficiency

4. The flat for the cutter and effective absorption of high load stress, delay the fracture load of cutter wear

5. Kang cyclotron special don't eat design, improve the steady performance of drill bits and the drilling rate

6. Can be used for the rotary table and drilling downhole motor

7. Suitable for soft, medium hard formation

8. It is recommended to use ratio of water horsepower