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 company was formerly known as Hunan Zhuangyuan Geological Equipment Co., Ltd., which was affiliated with Hunan Provincial Institute of Geophysics and Geochemistry. The company was developed from the original 409 team mechanical repair workshop. In 1989, 409 Repair Factory was established. In 1992, Diamond Products Research Institute was founded. In 2003, Zhuangyuan (Group) Company was established, which includes Hunan Zhuangyuan Diamond Products Co., Ltd. and Hunan Zhuangyuan Geological Equipment Co., Ltd. In 2016, Hunan Yuanyu Exploration Technology Development Co., Ltd. was jointly established with Hunan Hongyu Water Resources and Hydropower (Group) Co., Ltd. It is a national high-tech enterprise specializing in the design, production, scientific research and development, and operation services of geological equipment such as drilling rigs, drilling tools, diamond drill bits, and centralized slurry injection equipment. In terms of emergency equipment, the company's developed "centralized slurry grouting system" has been shortlisted for the first batch of recommended emergency equipment procurement list in Hunan Province.
In recent years, the company has also received various awards: the "Zhuangyuan" brand has been awarded the "Famous Trademark of Hunan Province" multiple times, and has been awarded the "Hunan Province Contract abiding and Creditworthy Unit" and "Hunan Province Integrity Construction Demonstration Unit" multiple times. And awarded the title of "National High tech Enterprise" in 2021.
The company attaches great importance to technological innovation, and currently has more than 10 patents. It has maintained close ties with China University of Geosciences (Wuhan) and Central South University for a long time, and is now the industry university research base of China University of Geosciences (Wuhan). At the same time, the marine shallow sampling drilling rig jointly developed with the Guangzhou Institute of Geochemistry of the Chinese Academy of Sciences has received high praise from users.
