Description
Alpha hollow core drill bits are made from carbide tipped steel for high speed drilling in concrete, natural stone and masonry.
Features:
- Roof shaped guide teeth for greater stability, alignment and control
- Hollow crown body with outer spiral for increased durability
- Available in a range of sizes from 30mm to 100mm
- Alpha centring pilot drill bits and SDS plus adapters sold separately
Alpha hollow core drill bits – quick reference
| Code | Size | Qty |
| HCB30X50 | 30mm | 1 |
| HCB40X50 | 40mm | 1 |
| HCB45X50 | 45mm | 1 |
| HCB50X50 | 50mm | 1 |
| HCB65X50 | 65mm | 1 |
| HCB80X50 | 80mm | 1 |
| HCB90X50 | 90mm | 1 |
| HCB100X50 | 100mm | 1 |







