3inch Coal Mining Drill Bit Concave Drill Bit Water Drill Bit PDC Bit

Characteristics:

1. The top surface of the bit is shallow with 3 small nozzles. and in the circumferential direction of the blades there are 3 big nozzles. The nozzles can rinse the bit and clean the rock debris away from the bottom of the hole quickly.Avoiding secondary fragmentation. They can also prevent the bit from being wrapped by the mud.

2. The blade gauge surface is inlaid with an alloy gauge strip, which makes the drill bit gauge wear resistant, durable, and has a long service life;

3. The blade cloth teeth are parallel and uniform, and the cutting teeth are made of 1308 composite high-performance composite sheet, which has good abrasiveness, fast drilling speed and strong impact resistance.

4. The back inclination angle of the main cutting teeth of the drill bit can be adjusted between 16° and 20°, with strong aggressiveness, high ROP and strong stability.

Package&Delivery

Our drills will ship within 5 days after 50% full payment is confirmed. The drill bits will be shipped by sea or air as your request. And if you have any other questions, please contact us freely. Thanks!

Our Principle

We adhere to the principles of high quality, high quality service, and innovation. We also insist on providing efficient products and quality services. If you are interested in our drills, please feel free to contact us. We are looking forward to cooperating with you!

FAQ

1. Who are we?
We are a drill bit manufacturer started from 2013. Our main prodcuts are pdc drill bit for oil&gas, coal mining drill bit, core bit, pdc cutters and other types of pdc bits.

2. How can we guarantee the product quality?
We provide pre-production sample before mass production.
We provide final inspection before shipment.