The Diamond Drill Core bit is suited to drilling porcelain tile, ceramic tile, marble, granite, rebar concrete and other hard material. Recommended drilling at a speed of 1000rpm and attaching this drill bit to a core drill. Opening neat, smooth, no broken and chip easily. Also suitable for drilling the faucet mounting holes in stone countertops, plumbing, lines in showers, and vanities.
- 38mm
- Small incision resistance
- Feature drilling stably
- Fast speed not breaking the border
- Use wet or dry
- Must use with water for cooling and lubrication
- Hole saw can be used with bench drill, hand electric drill
- Best with 1000rpm drill capabilities