apex ecomm 20mm Diamond Hole Saw Drill Bit Tile Ceramic forng cutting holes on glass, ceramics, porcelain, ceramic tile, porcelain tile

Product details With electroplated diamond, the drill bit creates high precision, smooth cuts with no broken edges. Smooth and exact finish for lowering incision resistance and drill pressure, increasing the sharpness, and effectiveness of water lubrication. Widely used for cutting accurate holes on glass, ceramics, porcelain, ceramic tile, porcelain tile, limestone, slate, marble, light stone and fiberglass. Not suitable for drilling tempered glass, plastic and wood. Can produce clean and accurate holes in minutes with little or no chipping. Zinc plating on the bits maximizes tool life with great resistance to corrosion, and for making holes on glass or ceramic and considerably extending drill bit life. Diamond drill bits along with clearance hole facilitate the entrance of cooling water and escape of chips and other particles from drilling. Makes drilling process easier. . Tips: Start your hole diagonally, make a round trace and then hold drill straight. Drilling Diameter: 20mm / 0.79" Shank Diameter: 8mm / 0.31" Drilling Depth: 32mm / 1.26" Overall Length: 59mm / 2.32" Material: Diamond, Medium Carbon Steel Finish: Zinc Plated Package Included: 1 Pack x Diamond Drill Bit