CNC Thin Wall Core Drill Bit for natural and engineered stone
| Model | Diameter | Width | Thickness | Grit Grade |
| DBH20 | 3/4"(20mm) | 8mm | 1.5mm | Standard |
| DBH25 | 1"(25mm) | 8mm | 1.5mm | Standard |
| DBH32 | 1-1/4"(32mm) | 8mm | 1.5mm | Standard |
| DBH35 | 1-3/8"(35mm) | 8mm | 1.5mm | Standard |
| DBH38 | 1-1/2"(38mm) | 8mm | 1.5mm | Standard |
| DBH51 | 2"(51mm) | 8mm | 1.5mm | Standard |