At Hunan Yuanyu Exploration Technology Development Co., Ltd., we are immensely proud to be a distinguished leader in the production of premium drilling rigs and their advanced accessories. Our comprehensive and diverse portfolio showcases a remarkable selection of universal drilling rigs, meticulously engineered drill bits, and precisely crafted drill rods, accompanied by a wide array of essential accessories, all designed with exceptional precision and expertise. Furthermore, we excel in delivering bespoke production services, expertly tailored to address the distinct and specialized requirements of our esteemed clients, ensuring complete satisfaction and exceptional performance.
Single Tube Drill Bit: Expertly engineered for medium to hard rock formations, this drill bit stands as a paragon of efficiency and precision. It ensures seamless drilling with outstanding directionality, resulting in a flawless aperture and an exceptional core recovery rate. This makes it the ideal choice for challenging geological tasks, guaranteeing each operation is conducted with immaculate accuracy and effectiveness.
Double Tube Drill Bit: Innovatively crafted for specialized drilling tasks, this state-of-the-art drill bit features a robust and durable double-layer structure, meticulously designed to adapt to a wide range of geological conditions. Its reliability and versatility make it an invaluable asset across diverse terrains, ensuring consistent performance regardless of the challenge encountered.
Rope Core Extraction Drill Bit: Expertly engineered for projects necessitating frequent core extraction, this drill bit is meticulously designed to markedly enhance operational efficiency. It streamlines the drilling process, significantly boosting productivity, making it an indispensable asset in high-demand geological explorations.
Special Drill Bit: Crafted for niche applications, including the primary bottom jet drill head, this specialized bit is precisely tailored to address unique drilling challenges such as deep drilling operations or navigating rugged geological environments. It showcases unparalleled versatility and efficiency, making it the preferred solution for specialized drilling requirements.
Explore a myriad of application scenarios and conditions:
Coalfield Geological Exploration: Specifically crafted for coalfield geological investigation, this drill bit excels in efficiency, adeptly acquiring core samples with precision, ensuring accurate and reliable results in operations that are critical to the coal industry.
Coal Mine Underground Operations: Masterfully engineered to excel in crucial underground operations within coal mines, including intricate tasks like gas drainage, water injection, and drainage operations, this drill bit delivers remarkable efficiency and unwavering stability, ensuring safety and effectiveness in the most demanding underground environments.
Advantages: Our products are set apart by their extraordinary attributes such as superior strength, exceptional wear resistance, and robust impact resistance. These qualities make them ideal for handling a broad spectrum of complex geological conditions, setting a new standard for durability and performance, and ensuring reliability in every drilling operation.
Size |
Thickness |
Number of Teeth |
Material |
Performance |
Scope of application |
112mm |
10mm |
10 |
Carbon steel+1005PDC |
1004SN impact resistance 30-35J Economic type |
Suitable for soft to medium hard rock layers |
132mm |
10mm |
12 |
Carbon steel+1005PDC |
1004SN impact resistance 30-35J Economic type |
Suitable for soft to medium hard rock layers |
151mm |
10mm |
14 |
Carbon steel+1005PDC |
1004SN impact resistance 30-35J Economic type |
Suitable for soft to medium hard rock layers |
Type: Single tube core composite drill bit
Size: 75mm 94mm 113mm 153mm
171mm 200mm 250mm 275mm 325mm





