Core Bore Premium Black Dry Diamond Core Bits
Features
- Premium black grade dry bits feature wider segments than the heavy duty grade with a heavier core thickness
- They drill faster and last longer than any bit of its kind
- Drill dry through block, brick, and non-reinforced concrete
- Not recommended for concrete with reinforcement or hard materials
- Not all types of brick and block can be drilled – please consult factory
- 9″ drilling depth, comes with standard 5/8″-11 threading and easily attach to most hand-held drills
- Jacobs Chuck Adapter available for hammer drills 5/8″-11 thread to straight shank
| Diameter | Min Amps | Max/Min RPM | |
| 1″ | (25mm) | 6 | 6000/2300 |
| 1-1/4″ | (32mm) | 6 | 6000/2300 |
| 1-1/2″ | (38mm) | 6 | 6000/2300 |
| 1-3/4 | (44mm) | 7 | 5000/1600 |
| 2″ | (51mm) | 7 | 5000/1200 |
| 2-1/4″ | (57mm) | 7 | 5000/1200 |
| 2-1/2″ | (64mm) | 7 | 5000/800 |
| 3″ | (76mm) | 10 | 5000/800 |
| 3-1/2″ | (83mm) | 10 | 5000/700 |
| 4″ | (102mm) | 10 | 5000/700 |
| 4-1/2″ | (114mm) | 10 | 5000/700 |
| 5″ | (127mm) | 10 | 5000/700 |
| 6″ | (152mm) | 10 | 2500/600 |
