Large Diamond Hole Drills Set

DESCRIPTION:

• Diamond hole drills
• 19 mm and 25 mm diameters

USES:

• Create holes in bisque or high-fired ceramic, tile, or glass
• Drill holes for plugs, hanging pieces, a drain hole for a plant
• Make holes for fountains, sink basins, fittings, fixtures, etc.

BENEFITS:

• Create a hole after final high temp firing
• No need to calculate shrinkage to get the desired size
• Long lifespan if used properly with water
• Hole drill dust is controlled with water use
• Shaft size for normal household 3/8" cordless drill
• As the tool wears, a new layer of diamonds is exposed
• Much longer lasting than diamond edge hole drills

CAUTIONS:

• Use all safety precautions
• Always use safety goggles
• Always check to remove core after each drilling
• Make certain that debris does not get into moist clay
• Always use water to maximize tool life and control dust
• Use normal cordless drill and avoid getting water in drill
• Do not attempt to force or pry with this tool
• Keep out of the reach of children

Note: Keep the diamond section of the hole drill bathed in water while drilling. Start at a slight angle to get started, then tilt upright and use light pressure and a gentle rotation motion. “Let the diamonds do the work.” For longevity, use water, high speed and gentle pressure. Overheating the tool will decrease tool lifespan and alter the tool shape.   

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