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Diamond coated drill bit guide hole saw glass tile
Diamond drill bit drilling guide glass, granite, floor tile, wall tile, limestone & Marble
Because you have one chance to drill.
This will prevent skipping and damaged surface
Drill with confidence and drill where you need to have your hole located.
Drilling a hole for the first time inexperienced can be scary.
A SMALL PRICE TO PAY vs WRONG HOLE LOCATION SCRATCHED SURFACE DUE TO THE BIT SKIPPING AROUND. THIS LOCKS THE BIT INTO THE PRECISE HOLE LOCATION.