Diamond Hole Saw Drill Bit Set

Drill the perfect hole in hard materials! Drill a perfect complete circle from glass, tiles, marble, granite, ceramic, and other materials with this diamond hole saw drill. It is definitely so easy to operate and only needs a little amount of water for lubrication. For perfect outcome, start your hole diagonally, make a round trace, then hold the drill straight as you cut through the material. It’s never been this easy.   Features: Capable of drilling into extremely hard materials such as marble, slate, glass, tile, stone and many more. The material needs only water for lubrication. Can be used with a standard drill. Align the place to be drilled, make a circular trace, then drill. Excellent for making clean and accurate holes. Good Performance and long life. Specifications: Material: steel. Quantity: 15 pcs. Bits Size: 6 - 50mm/0.23"-1.97", 6mm/0.23", 8mm/0.31", 10mm/0.39", 12mm/0.47", 14mm/0.55", 16mm/0.62",  18mm/0.7", 20mm/0.79", 22mm/0.87", 25mm/0.98", 26mm/1.02", 28mm/1.10", 30mm/1.18", 40mm/1.57", 50mm/1.97" Always use lubrication (water), otherwise, diamond core drill will burn  Package Inclusion:  1 x Diamond Hole Saw Drill Bit Set (15pcs).