Reliable Diamond Core Drill Bit for All Your Drilling Projects

• 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, 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.