
| Diameter (Inch) | Diameter (mm) | 刀头数量 |
|---|---|---|
| 1” | Φ28.5 | 3 |
| 1-1/4” | Φ33.5 | 3 |
| 1-1/2” | Φ40.5 | 4 |
| 2” | Φ53.5 | 5 |
| 2-1/2” | Φ64.2 | 6 |
| 3” | Φ77.5 | 8 |
| 3-1/2” | Φ90 | 9 |
| 4” | Φ110 | 11 |
| 5” | Φ127.5 | 12 |
| 6” | Φ159 | 15 |
| 7” | Φ180 | 18 |
| 8” | Φ203 | 20 |
| 10” | Φ254 | 22 |
| 12” | Φ303 | 26 |
| 14” | Φ353 | 32 |
“Guangjing” brand three-section concrete drill bit is perfect for drilling concretes, cement structures, asphalts, stones and ceramics
It gives super-fast drilling and extended lifespan. It can produce smooth edge with ease. Little vibration occurs during drilling.
Any question, please do not hesitate to contact us.





