材料：40cr
T.C.T Core Drills with hardened steel body easy cutting and minimal breakage, ldeal for brick, stone. Concrete an similar materials. Packed in a plastic tube.
| 直径(mm) |
总长(mm) |
| 30.0 |
70 |
| 35.0 |
70 |
| 40.0 |
70 |
| 45.0 |
70 |
| 50.0 |
70 |
| 65.0 |
70 |
| 70.0 |
70 |
| 80.0 |
70 |
| 85.0 |
70 |
| 90.0 |
70 |
| 100.0 |
70 |
| 110.0 |
70 |
| 125.0 |
70 | |
