15pcs 4-50mm Diamond Tool Drill Bit Hole Saw Set Glass Ceramic Marble Tile

Product Description: High Rigidity Diamond This tile hole saw are made of industrial grade carbon steel with nickel-plated coated body that resist corrosion. Thicken corundum coating on the tops offers superior cutting strength for maximum drilling outcomes. Extraordinarily Sharp Each hole drill bit was processed by a smooth and exact finish that lower the incision resistance and drill pressure increase the sharpness and the use of water lubrication. Excellent for making clean and precise hole on glass or ceramic and considerably extending drill bit life. Large Clearance Hole These ceramic drill bits along with large clearance hole facilitate the entrance of cooling water and escape of chips. Making the drilling process more easy and relax. Widely Application There are 5/10/15 different sizes included with this glass drill set to meet various demands. Perfect for drilling glass tile bottles blocks jars fiber glass porcelain tile ceramic vitrified brick and stone. Sizes Drill Bit 15 Sizes : Each drill bit set includes: 6/8/10/12/14/16/18/20/22/25/26/28/30/40/50mm.