Carbide PDC Rock Drill Bit 12 1/4 Inch 311mm Tricone Rock Roller Bits

12 1/4 Inch 5 Blades Carbide Tipped Drill Bits Tricone Drill Bit Rock Drill Bits

1. The cast surface of the crown of the drill bit is longer, which is suitable for neutral and abrasive formations.
2. The cone surface is shallow and the cleaning power is good.
3. The PDC tool angle is 13-16°, which makes the drill bit have stronger feedability and higher rotational speed.
4. The design of the helical blade is conducive to the exposure of the PDC tool, so that the drill bit can drill into deeper formations at a higher speed.

Package&Delivery

Our bits will be shipped within 4 days after 50% of the full payment is received by sea or air as you require.

Please contact us freely if you have any other requests.

 
Our Principle

Our principle is to provide our customers with the highest quality tools, accessories, and services in the industry. Years of experience, well-trained professionals and a complete mechanical workshop support us. Reducing costs, speeding up drilling, and ensuring safety have always been our mission.

FAQ

1. Why you choose us?
We are factory of drill bits, so the price is affordable, and the quality can be controlled. Also, we can do customized products according to client's request.
Our promise is to provide reasonable prices, short production period, and satisfactory after-sales services.

2. Whether accpect customized products according to client's requirement?
Yes, we accept customization, no matter what size or how many blades you want.

3. Can I visit your factory online?
Yes, we can definitely show our workshop, warehouse, office online through WeChat, Whatsapp or Skype.

4. How to order the products?
Send the inquiry with detail item description or with Model number. If there is no packing demand we take it as sea-way packing. If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.