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 organization, originally known as Hunan Zhuangyuan Geological Equipment Co., Ltd., proudly traces its roots to the esteemed Hunan Provincial Institute of Geophysics and Geochemistry. Emerging from the pioneering 409 team mechanical repair workshop, we took a significant step forward by establishing the 409 Repair Factory in 1989. Our journey of innovation continued with the founding of the Diamond Products Research Institute in 1992. By 2003, we expanded into the Zhuangyuan (Group) Company, encompassing both Hunan Zhuangyuan Diamond Products Co., Ltd. and Hunan Zhuangyuan Geological Equipment Co., Ltd. In a strategic alliance in 2016, we partnered with Hunan Hongyu Water Resources and Hydropower (Group) Co., Ltd., leading to the launch of Hunan Yuanyu Exploration Technology Development Co., Ltd. We are recognized as a national high-tech enterprise, specializing in the cutting-edge design, production, scientific research, and service operations of geological equipment. Our offerings include state-of-the-art drilling rigs, precision drilling tools, advanced diamond drill bits, and innovative centralized slurry injection systems. Notably, our pioneering 'centralized slurry grouting system' has been proudly featured in the first batch of recommended emergency equipment procurement listings for Hunan Province.
In recent years, our company has been the proud recipient of numerous accolades: the 'Zhuangyuan' brand has been celebrated with the prestigious 'Famous Trademark of Hunan Province' award multiple times. Furthermore, we have been honored as the 'Hunan Province Contract Abiding and Creditworthy Unit' and recognized as a 'Hunan Province Integrity Construction Demonstration Unit' on several occasions. Our commitment to technological excellence earned us the esteemed title of 'National High-tech Enterprise' in 2021, reflecting our unwavering dedication to innovation and integrity.
We place paramount importance on technological innovation, boasting a portfolio of over 10 patents. Our strong collaborations with academic institutions, such as China University of Geosciences (Wuhan) and Central South University, underscore our commitment to advancing research and industry synergy. We proudly serve as the industry-university research base for China University of Geosciences (Wuhan). Our collaborative endeavor with the Guangzhou Institute of Geochemistry of the Chinese Academy of Sciences led to the development of a marine shallow sampling drilling rig, which has been met with high acclaim from our esteemed users.
