TANK's drill bits are engineered with advanced materials such as ultra-hard tungsten carbide and cutting-edge manufacturing techniques, ensuring exceptional wear resistance, impact resilience, and cutting efficiency across diverse geological formations. Our proprietary heat treatment process further enhances the durability and performance of our products. We offer expert technical support,including drill bit selection guidance, to maximize productivity and reduce operational costs.
Concave Bits
PDC concave bits use advanced polycrystalline diamond compact (PDC) technologywith a unique concave structure, demonstrating excellent stability in drillingoperations, especially widelyused in engineering geological surveys.
Application Areas |
Engineering geological surveys |
Mining exploration |
Geological exploration |
Coalfield collection |
Water wells |
Product Features |
Suitable for medium-hardto hard formations Reaming function High wear resistance |
Product Specifications |
Standard sizes:65-300 Note: For the customized size or design, please contact us. |


Q1. Can I have a sample order?
Answer:Yes, we welcome sample orders for testing. Mixed samples are acceptable.
Q2. Do you accept customization according to customers' requirements?
Answer:Yes, we accept customization regardless of size and type, with an MOQ of 1 piece. We also provide OEM services. You can provide your design, and we will sign a CA (Confidentiality Agreement) with each other.
Q3. Are you an original manufacturer or a trading company?
Answer:We are an integrated corporation specializing in manufacturing and exporting.
Q4. What are your main products?
Answer:Our main products include PDC Drill Bits, Tricone Bits, DTH Hammers, DTH Drilling Bits, Drill Pipes, PDC Cutters, and related drilling tools.
Q5. What type of drill bit should I be using?
Answer:When answering this question, there are many variables to consider: the formation you are drilling in, the size of the hole you are drilling, the size of the pump you have, whether you are drilling with mud or air, and the size of your rig. Call us on our 24-hour phone number or write us an email, and we will help you choose the right bit.
Q6. Do you provide after-sales service?
Answer:Timely after-sales assistance is always provided. We offer free replacements for any issues caused by quality problems.
Q7. What is the production capacity of your factory?
Answer:Our production capacity is approximately 36,000 to 50,000 bits per month.
Q8. What is your delivery time?
Answer:3-7 days for frequently ordered models and sizes that we always keep in stock. 15-30 days for newly produced goods and customized products.
Q9. What are your main markets?
Answer:Our products are exported to Australia, Chile, Canada, South Africa, Ethiopia, Malaysia, South Korea, Brazil, Russia, Norway, and more than 30 other countries.