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3 wings full flush step drag bits

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3 wings full flush step drag bits are one piece construction of alloy steel forged or cast with Tungsten Carbide cutting tips and gauge sides to ensure longer life.

3 wings full flush step drag bits



3 wings full flush step drag bits are one piece construction of alloy steel forged or cast with Tungsten Carbide cutting tips and gauge sides to ensure longer life.This step drag bits have 3 wings and 3 full flushing holes. Compare with air flushing, full flushing has bigger holes which are good at fushing. And it can preferably be beneficial to discharge mud, clay, sand and so on. The angle between each wing is 120 degree, distribute in the body of bit equably.Its each wing has 3 stairs, which can enhance bits penetration speed in the hole and increase bit torque.


3 Wings air flush chevron drag bits

Diameter

Thread

3 3/4 inch

95.3mm

2 inch API IF Box


Note: The diameter and thread showed as above are usual size, other sizes are available upon request.


Sinodrills drag bits features:

1, A solid one piece heat treated, 4140 alloy steel body for bit strength & durability;

2, CNC threaded machining for proper installation &use;

3, Forgings are milled to better seat the carbide inserts.

4, Select tungsten carbide inserts 5.5mm thick are standard.

5, Relief is hand ground behind carbide inserts for maximum performance.


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