Diamond Core Drill Bits 1-3/8 in for hard stone
Laser welded diamond core bits for dry or wet drilling on granite, marble, and concrete. Notable for easy handling and solid build; users report good speed and value, with mixed durability feedback
Highlights
- dry or wet drilling capability
- 35mm diameter core bit
- fast cutting with diamond segments
Pros
- laser-welded diamond segments
- dry or wet drilling capable
- easy to handle
- good value for money
- fast cutting performance
Cons
- durability mixed; some users report breakage after few uses
Best For
Features
- Laser welded diamond core bits for dry drilling up to 35mm diameter
- Diameter 35mm (1-3/8 inch) with 100mm total length
- Threaded 5/8 inch-11 for compatible fittings
- Suitable for dry or wet drilling; wet use extends segment life
- Designed for drilling hard granite, marble, engineering stone, concrete, and brick
