This set of diamond ceramic hole drills cut through fired ceramic with ease. fits any size drill chuck, and it is best used with water to lubricate the drilling surface, pausing to add water to drilling surface, or drill carefully under a water trickle at point of drilling.

Use light pressure and be patient. Let the diamond do the work without heavy pressure.

Excellent for making a drain hole in a flower pot or vase. 

There are all 10 sizes of drill in this set. 

6mm

8mm

10mm

12mm

14mm

22mm

28mm

32mm

40mm

45mm