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Professional Diamond Core Drill Bit
This professional diamond core bit is high-frequency welded, providing a rapid and clean drill. M22, 1 1/4UNC, 1/2Gas universal thread is suitable for multiple drill rigs, apply to concrete and brick.
| Diameter (mm) | Inch | Length (Effective) | Diameter (mm) | Inch | Length (Effective) |
|---|---|---|---|---|---|
| Φ18 | 5/7" | 370-330mm / 450-410mm | Φ108 | 4-1/4" | 370-330mm / 450-410mm |
| Φ25 | 1" | Φ127 | 5" | ||
| Φ51 | 2" | Φ152 | 6" | ||
| Φ76 | 3" | Φ200 | 8" |


