Audited Supplier
SS1
ISO 9001:2000
New
DC Motor
75mm-325mm
More Than 20 Meters
Cone Bit
Rotary
Bq Nq Hq Pq
Core Drill Bit
Well Drilling, Metal Drilling, Coal Mine Drilling
Diamond
Customizable
zhuangyuan
Wooden Crate
75mm-325mm Carbon Steel
China
Product Description
| Size of The Core Bits and Reaming Shell | ||||||
| Description | Core Bits | Reaming Shell | ||||
| Specification Model | Outside Diameter | Inside Diameter | Outside Diameter | |||
| Inches | mm | Inches | mm | Inches | mm | |
| BTW | 2.345 | 59.56 | 1.667 | 42.1 | 2.36 | 59.95 |
| NTW | 2.965 | 75.31 | 2.218 | 56.1 | 2.98 | 75.7 |
| HTW | 3.762 | 95.57 | 2.809 | 71.1 | 3.783 | 96.06 |
| AC(AQ) | 1.875 | 47.63 | 1.062 | 26.97 | 1.89 | 48.01 |
| BC(BQ) | 2.345 | 59.56 | 1.433 | 36.4 | 2.36 | 59.95 |
| BC3(BQ3) | 2.345 | 59.56 | 1.32 | 33.53 | 2.36 | 59.95 |
| NC(NQ) | 2.965 | 75.31 | 1.875 | 47.63 | 2.98 | 75.7 |
| NC3(NQ3) | 2.965 | 75.31 | 1.775 | 45.08 | 2.98 | 75.7 |
| HC(HQ) | 3.762 | 95.57 | 2.5 | 63.5 | 3.783 | 96.09 |
| HC3(HQ3) | 3.762 | 95.57 | 2.406 | 61.11 | 3.783 | 96.09 |
| PC(PQ) | 4.805 | 122.05 | 3.345 | 84.96 | 4.828 | 122.65 |
| PC3(PQ3) | 4.805 | 122.05 | 3.27 | 83.06 | 4.828 | 122.65 |
| T2-56 | 2.205 | 56 | 1.642 | 41.7 | 2.217 | 56.3 |
| T2-76 | 2.992 | 76 | 2.429 | 61.7 | 3.004 | 76.3 |
| T2-86 | 3.385 | 86 | 2.832 | 71.7 | 3.398 | 86.3 |
| T2-101 | 3.976 | 101 | 3.295 | 83.7 | 3.988 | 101.5 |
| T6-101 | 3.976 | 101 | 3.11 | 79 | 3.988 | 101.5 |
| T6-131 | 5.157 | 131 | 4.252 | 108 | 5.157 | 131.5 |
| Specifications of Reaming Shell | |
| Category | Bit Size |
| Double-tube Reaming shell | P56,P59,P75,P76,P91,P110,P130 |
| Single-tube Reaming shell | D56,D59,D75,D76,D91,D110,D130,D150,D171,D223 |
| Wireline Reaming shell | S56,S59,S75,S95,BC,NC,HC,PC,T2-76,T2-86 |
Our esteemed company, Hunan Yuanyu Exploration Technology Development Co., Ltd., has a rich legacy tracing back to the distinguished Hunan Zhuangyuan Geological Equipment Co., Ltd., affiliated with the prestigious Hunan Provincial Institute of Geophysics and Geochemistry. Emerging from the original 409 team mechanical repair workshop, we established the 409 Repair Factory in 1989. By 1992, we founded the Diamond Products Research Institute, heralding an era of innovation. The formation of Zhuangyuan (Group) Company in 2003 marked a significant milestone, comprising Hunan Zhuangyuan Diamond Products Co., Ltd. and Hunan Zhuangyuan Geological Equipment Co., Ltd. Our evolution continued, and in 2016, we proudly partnered with Hunan Hongyu Water Resources and Hydropower (Group) Co., Ltd. to establish Hunan Yuanyu Exploration Technology Development Co., Ltd. Today, we stand as a national high-tech enterprise, renowned for our cutting-edge design, production, R&D, and operational services in geological equipment, encompassing advanced drilling rigs, precision drilling tools, state-of-the-art diamond drill bits, and centralized slurry injection systems. Our innovative "centralized slurry grouting system" has been prominently featured in the inaugural list of recommended emergency equipment procurements in Hunan Province, showcasing our commitment to excellence.
In recent years, our company has proudly garnered numerous accolades, underscoring our commitment to excellence and reliability. The esteemed "Zhuangyuan" brand has been recognized as the "Famous Trademark of Hunan Province" on multiple occasions. Furthermore, we have been honored with the prestigious titles of "Hunan Province Contract Abiding and Creditworthy Unit" and "Hunan Province Integrity Construction Demonstration Unit" several times. Our commitment to innovation and quality was further validated when we were awarded the esteemed title of "National High-Tech Enterprise" in 2021, a testament to our ongoing dedication to setting industry benchmarks and achieving unparalleled success.
Demonstrating an unwavering commitment to technological innovation, our company proudly holds over 10 groundbreaking patents. We cherish our longstanding and collaborative partnerships with esteemed institutions such as the China University of Geosciences (Wuhan) and Central South University. Our role as an industry-university research base for China University of Geosciences (Wuhan) exemplifies our dedication to academic excellence and industry advancement. Moreover, our collaborative endeavor with the Guangzhou Institute of Geochemistry of the Chinese Academy of Sciences, resulting in the revolutionary marine shallow sampling drilling rig, has been met with widespread acclaim and high praise from our users, affirming our position as leaders in innovative geological solutions.
