uxcell 16mm Diamond Drill Bits Hole Saws for Glass Ceramic Porcelain Tiles Pack of 5

Description: * This glass hole saw needs to be used at a low speed, about 800-1000RPM. * Please start your hole diagonally, make a round trace and then hold drill straight. * In order to prolong the life of this glass hole saw, please work with coolant when processing. * Wide used for drilling glass, ceramics, porcelain, ceramic tile, porcelain tile, limestone, slate, marble, granite, light stone and fiberglass. Specification: * Material: Carbon Steel, Diamond Particles * Color: Silver Tone * Drilling Diameter: 16mm / 0.63-inch * Drilling Depth: 32mm / 1.26-inch * Shank Diameter: 7mm / 0.28-inch * Total Length: 52mm / 2.05-inch Package Content: * 5 x Glass Hole Saw