Versatile Diamond Core Drill Bit for Metal and Coal Mine Applications

• Customization: Available
• Certification: ISO 9001:2000
• Condition: New
• Model NO.: SS1
• Motor: DC Motor
• Drill Hole Diameter: 75mm-325mm
• Drill Hole Depth: More Than 20 Meters
• Bit Type: Cone Bit
• Drilling Way: Rotary
• Model No.: Bq Nq Hq Pq
• Type: Core Drill Bit
• Usage: Well Drilling, Metal Drilling, Coal Mine Drilling
• Material: Diamond
• Color: Customizable
• Transport Package: Wooden Crate
• Specification: 75mm-325mm Carbon Steel
• Trademark: zhuangyuan
• Origin: China
• Production Capacity: 5000000

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

Hunan Yuanyu Exploration Technology Development Co., Ltd.
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.