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.
| Diameter (mm) | Size of Segments （mm） | Segment Number |
| 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 |
