Our advantages:
1.Good sharpness, good balance
2. Strong welding, and stable quality,longer lifespan
Technical Parameters:
| Photo | Diameter (mm) | Size of Segments （mm） | Segment No. |
| | 6 (1/4″) | ￠6*11 | 1 |
8 (5/16″) | ￠8*11 | 1 | |
10 (3/8″) | ￠10*11 | 1 | |
13 (1/2″) | ￠12.7*11 | 1 | |
16 (5/8″) | crown 3.0*10 | 1 | |
20 (3/4″) | crown 3.0*10 | 1 | |
25 (1″) | crown 3.0*10 | 1 | |
29 (1-1/8″) | crown 3.0*10 | 1 | |
32 (1-1/4″) | crown 3.0*10 | 1 | |
35 (1-3/8″) | crown 3.0*10 | 1 | |
38 (1-1/2″) | crown 3.0*10 | 1 | |
42 (1-5/8″) | crown 3.0*10 | 1 | |
44 (1-3/4″) | crown 3.0*10 | 1 | |
51 (2″) | crown 3.0*10 | 1 | |
57 (2-1/4″) | 22*3.5*10 | 5 | |
60 (2-3/8″) | 22*3.5*10 | 6 | |
63 (2-1/2″) | 22*3.5*10 | 6 | |
70 (2-3/4″) | 22*3.5*10 | 7 | |
76 (3″) | 22*3.5*10 | 8 | |
80 (3-1/8″) | 22*3.5*10 | 9 | |
89 (3-1/2″) | 22*3.5*10 | 10 | |
102 (4″) | 22*3.5*10 | 10 | |
127 (5″) | 24*4.0*10 | 11 |
Application：
Diamond Core Bits are used for drilling kinds of stone, usually for drilling pipe holes through decorative stone, equipped on manual drillers also bench drillers, which both are motor driven. All of products are wet processing, unless otherwise specified
Product Display
EXHIBITION
Certification
Company Introduction
Quanzhou Zhongzhi New Material Technology Co., Ltd. founded in 2003 is a Sino-foreign Joint Venture incorporated company.ZhongZhi has become influential companys in diamond tool industry, we devote ourselves to researching and developing diamond tools in different functions for decades. Under the management conception of “Quality makes achievements, service creates future”, we has formed developing, manufacturing, producing, processing, exportation & service into a coordinate modern enterprise system.
With years of business experience, Zhongzhi brand image has been accepted by more and more customers. For the stable quality and high efficiency, our products help many customers make great achievements. Our excellent after-service allows Zhongzhi and the customers become closer and closer.