Note:
Need the hole drill used together!ï¼?strong>No Hole Drill Includedï¼?/span>
Instructions:
1. Adjust the sliding plate for the size of the hole saw - drill bit you want to use.
2. Fix the guide using the suction base exactly where you want to drill the hole.
3. Using water as coolant, start the hole.
4. Use the guide until the drill bit - hole saw makes an initial mark deep enough to keep the bit in position.
5. While drilling, keep using water to cool down the diamond drill bit - hole saw.