30pcs Diamond Hole Saw Drill Bit Set 6-50mm Cutter Glass Ceramic Tile Porcelain

Features: High quality 30 Pieces Diamond Hole Saw Set. Excellent for making clean and accurate holes in glass, tile, marbles and ceramic. Works better with electric drill. Stable drilling with fast speed. Safely Drill without making any damage to the border. Start your hole diagonally, make a round trace and then hold drill straight. When cutting hard materials it is important to ensure the cutter is kept cool to avoid damage to the material being drilled and premature wear of the cutter. Using water as a coolant will substantially extend the life of these hole saws. Very easy to use, high quality, good performance, long life.   Specification: Color: Silver Material: Steel Type: Drill Bits & Chucks Quantity: 30pcs per set Hole Diameter: 6mm, 8mm, 10mm, 12mm, 14mm,16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30mm, 35mm, 40mm, 45mm, 50mm   Package Contents: 30pcs Diamond Holesaw Drill Bit Cutter Set.