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, formerly recognized as Hunan Zhuangyuan Geological Equipment Co., Ltd., was proudly affiliated with the Hunan Provincial Institute of Geophysics and Geochemistry. Originating from the mechanical repair workshop of the prestigious 409 team, we have evolved significantly over the years. The foundation of our journey was laid in 1989 with the establishment of the 409 Repair Factory. By 1992, we had advanced to inaugurate the innovative Diamond Products Research Institute. In 2003, the Zhuangyuan (Group) Company emerged, encompassing Hunan Zhuangyuan Diamond Products Co., Ltd. and Hunan Zhuangyuan Geological Equipment Co., Ltd. Our breakthrough moment came in 2016 with the inception of Hunan Yuanyu Exploration Technology Development Co., Ltd., in collaboration with Hunan Hongyu Water Resources and Hydropower (Group) Co., Ltd. We proudly stand as a national high-tech enterprise, excelling in the design, production, research, and operational services of premier geological equipment, including state-of-the-art drilling rigs, cutting-edge drilling tools, innovative diamond drill bits, and sophisticated centralized slurry injection equipment. Notably, our pioneering 'centralized slurry grouting system' has earned the distinction of being shortlisted for the inaugural recommended emergency equipment procurement list in Hunan Province, underscoring our commitment to excellence.
In the recent past, our company has garnered numerous accolades that reflect our relentless pursuit of excellence. The iconic 'Zhuangyuan' brand consistently earns the prestigious 'Famous Trademark of Hunan Province,' a testament to our enduring legacy. We are honored to have been repeatedly recognized as a 'Hunan Province Contract Abiding and Creditworthy Unit' and a 'Hunan Province Integrity Construction Demonstration Unit.' Adding to our laurels, in 2021, we were bestowed with the esteemed title of 'National High-Tech Enterprise,' showcasing our unwavering dedication to innovation and integrity in the industry.
Our company places a significant emphasis on technological innovation, a core pillar of our success. Currently, we are proud holders of over 10 patents, underscoring our leadership in technological advancement. We maintain strong collaborations with esteemed institutions like the China University of Geosciences (Wuhan) and Central South University, serving as the industry-university research base for the China University of Geosciences (Wuhan). Our collaborative spirit extends to our partnership with the Guangzhou Institute of Geochemistry of the Chinese Academy of Sciences, through which we have co-developed the marine shallow sampling drilling rig. This pioneering product has earned high praise and accolades from users, a testament to its superior design and functionality.
