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4 wings chevron drag bits

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4 wings chevron drag bits4 wings chevron drag bits are one piece construction of alloy steel cast with tungsten carbide cutting tips and gauge sides to ensure longer life. It has 4 wings and 4 flushing holes. 4 wings chevron drag bits are more durable an

4 wings chevron drag bits


4 wings chevron drag bits are one piece construction of alloy steel  cast with tungsten carbide cutting tips and gauge sides to ensure longer life. It has 4 wings and 4 flushing holes. 4 wings chevron drag bits are more durable and lasting than 3 wings chevron drill bits, because of cutting structure, but will penetrate more slowly. Additionally, 4 wing chevron drag bits are more stable and tend toward drilling a straighter hole.Its flushing hole is incorporated into our design for efficient removal of cuttings.


4 wings chevron drag bits are economical tools when drilling softer geological formations and shallower depths, they are primarilydesigned for medium to hardformation and areused in areas thatcontain a lot ofrock, such as hard shale, limestone, and tougher gravels, etc. And also chevron drag bits are recommended for drilling in Mining, Exploration, Environmental, Water well, Geo Exchange, etc.


4 wings chevron drag bits
Diameter
Thread
6 1/2 to 12 inch 165.1 to 304.8mm Optional

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

Thread size: 2 3/8'' API Reg, 2 7/8'' API Reg, 3 1/2'' API Reg, 4 1/2'' API Reg, 6 5/8'' API Reg, 2'' API IF, 2 3/8'' API IF, 2 7/8'' API IF, A Rod, N Rod, AW, BW, NW, AWJ, BWJ, NWJ.


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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