Premium PDC Drill Bits for Demanding Applications
Engineered for performance in water well, geothermal, mining, and construction drilling. Trusted by professionals in over 30 countries worldwide.
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Engineered for performance in water well, geothermal, mining, and construction drilling. Trusted by professionals in over 30 countries worldwide.
Zhengzhou Combetter Superhard Material Co., Ltd. is a leading manufacturer established in 2003, specializing in PDC (Polycrystalline Diamond Compact) inserts, PDC drill bits, and tungsten carbide bits.
Our primary focus is serving the drilling industry with top-tier tools for water well drilling, geothermal projects, mining, and construction applications. We are committed to excellence, innovation, and long-term customer relationships.
With cutting-edge technology and a team of experienced technicians, we customize solutions to meet specific drilling challenges. Our products are exported to Ukraine, Russia, the United States, Germany, the UK, Canada, and more—proving our ability to meet global standards.
Precision-engineered PDC drill bits designed for maximum efficiency, durability, and performance in challenging geological conditions.
For 2-Inch Steel Casing Pipes
With AWJ Thread
3-1/2" API Reg Pin with Welded Ring
28MM / 30MM / 32MM
Polycrystalline Diamond Compact
For Hard Rock Drilling
High-Temperature Applications
Efficient Aquifer Penetration
We combine advanced engineering, premium materials, and decades of experience to deliver unmatched drilling performance.
Polycrystalline diamond compacts and tungsten carbide for maximum hardness and wear resistance.
CNC-machined components and strict quality control ensure consistent performance.
Trusted by drilling professionals in over 30 countries across five continents.
Tailored designs to meet specific geological and operational requirements.
Everything you need to know about our PDC drill bits and services.
Polycrystalline Diamond Compact (PDC) bits are highly efficient cutting tools used in drilling operations. They feature synthetic diamond cutters bonded to a tungsten carbide substrate, offering superior wear resistance and high rate of penetration in various formations.
For hard rock formations, PDC bits with reinforced cutters, optimized blade count, and proper hydraulic design are recommended. Our engineers can help select the ideal bit based on formation data, drilling parameters, and project goals.
Coal mining drill bits are designed for high-speed drilling in soft to medium-hard formations. They feature aggressive cutter layouts, efficient mud flow channels, and durable steel bodies to withstand continuous operation in underground environments.
To prevent mud packing, ensure proper hydraulic design with adequate nozzle sizing and placement. Maintain sufficient flow rate, use anti-ball components, and consider bits with aggressive cleaning features like swept blades and deep junk slots.
Future trends include advanced cutter technology, smart bits with embedded sensors, improved thermal stability, and AI-driven bit design optimization. CBT Rock is at the forefront of these innovations, continuously improving performance and reliability.
Ready to improve your drilling performance? Contact our technical team for product recommendations, custom solutions, or quotes.
No.15 Road, New Material Industry Park, Xing Yang, Zhengzhou, China
+86-18937195720
+86-13838069916
fay@rockpdcbit.com
sales@rockpdcbit.com
+86-18937195720
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