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Large Diamond Hole Drill Set (H19, H25; $77 when purchased separately)

6.0 oz

The Large Diamond Hole Drill Set from DiamondCore Tools is available for a limited time and includes both 19mm and 25mm diameter hole drills. This rotary tool set is perfect for making holes for fountains, sink basins, fittings, fixtures, and more. You can even create the holes after final temp firing.

*Technique Note: Keep the diamond section of the drill bathed in water while drilling. Use an ordinary cordless drill. Start at a slight angle to get started, then tilt upright and use light pressure, high speed and a gentle rotation motion.... "Letting the diamonds do the work."  For longevity use water, high speed an gentle pressure.  Overheating the tool will greatly decrease tool lifespan and change the tool shape.