Heavy-Duty Diamond Core Drill Bit for Well and Metal Drilling Tasks

• 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 prestigious company, originally known as Hunan Zhuangyuan Geological Equipment Co., Ltd., was proudly part of the Hunan Provincial Institute of Geophysics and Geochemistry. Emerging from the esteemed 409 team mechanical repair workshop, our journey began in 1989 with the establishment of the 409 Repair Factory. The transformative year of 1992 saw the inception of the Diamond Products Research Institute. By 2003, we evolved into the Zhuangyuan (Group) Company, comprising Hunan Zhuangyuan Diamond Products Co., Ltd. and Hunan Zhuangyuan Geological Equipment Co., Ltd. Further growth led to the founding of Hunan Yuanyu Exploration Technology Development Co., Ltd. in 2016, in collaboration with Hunan Hongyu Water Resources and Hydropower (Group) Co., Ltd. As a proud national high-tech enterprise, we specialize in the design, production, scientific research, development, and operation services of geological marvels such as drilling rigs, advanced drilling tools, state-of-the-art diamond drill bits, and innovative centralized slurry injection equipment. Our flagship emergency equipment, the 'centralized slurry grouting system,' has been recognized and included in the coveted first batch of recommended emergency equipment procurement lists in Hunan Province.
In recent times, our distinguished company has been honored with a myriad of prestigious awards. The revered 'Zhuangyuan' brand has been adorned with the title of 'Famous Trademark of Hunan Province' on multiple occasions. Additionally, we have earned accolades such as the 'Hunan Province Contract Abiding and Creditworthy Unit' and the prestigious title of 'Hunan Province Integrity Construction Demonstration Unit' several times. In 2021, we proudly attained the coveted status of 'National High-Tech Enterprise,' further solidifying our position as a leader in innovation and excellence.
At the forefront of innovation, our company places paramount importance on technological advancement, boasting an impressive portfolio of over 10 patents. We maintain robust collaborations with esteemed institutions such as China University of Geosciences (Wuhan) and Central South University, proudly serving as the industry-university research base for China University of Geosciences (Wuhan). Our collaborative efforts have extended to the creation of a remarkable marine shallow sampling drilling rig, developed in partnership with the Guangzhou Institute of Geochemistry of the Chinese Academy of Sciences, which has garnered high praise and recognition from users worldwide.