Core Bit Extensions
Core Bit Extensions offer a quick, easy and low cost way to achieve greater drilling depths with our Blue and Black Turbo core bits. Multiple tube extensions may be used extending the drilling depth in increments of 12". Turbo core bits and extensions must be ordered together.
| Diameter | Length | Wall Thickness | Part # | |
| 1-1/4" | (32mm) | 12" | 2.0mm | 168451 |
| 1-3/8" | (35mm) | 12" | 2.0mm | 168450 |
| 1-1/2" | (38mm) | 12" | 2.0mm | 168452 |
| 1-3/4" | (44mm) | 12" | 2.0mm | 168453 |
| 2" | (51mm) | 12" | 2.0mm | 168454 |
| 2-1/4" | (57mm) | 12" | 2.0mm | 168455 |
| 2-1/2" | (64mm) | 12" | 2.0mm | 168456 |
| 3" | (76mm) | 12" | 2.0mm | 168457 |
| 3-1/4" | (83mm) | 12" | 2.2mm | 168458 |
| 3-1/2" | (89mm) | 12" | 2.2mm | 168459 |
| 4" | (102mm) | 12" | 2.5mm | 168460 |
| 4-1/4" | (108mm) | 12" | 2.5mm | 168461 |
| 4-1/2" | (114mm) | 12" | 2.5mm | 168462 |
| 5" | (127mm) | 12" | 2.5mm | 168463 |
| 6" | (152mm) | 12" | 2.7mm | 168464 |
| 6-1/4" | (159mm) | 12" | 2.7mm | 168465 |
