22mm (7/8") diamond drill bits are used to core drill our 22mm (7/8") fixtures into paver stone applications. Always use with a water swivel in order to prevent overheating. Watch our installation videos for full details.
Bit typically last approx. 200-250 individual drills depending on stone type and thickness.
Drill press must have RPM range of 1000-2000 RPM in order to properly core drill.
5 year warranty
