3Pcs 6/8/10/mm Hex Handle Vacuum Brazed Diamond Dry Drill Bits Cutter for Granite Ceramic Tile Glass

Type: Hex Steps to drill clean and precise holes: Place the drill at a 45 degree angle so the drill has the to and will prevent the drill slipping Slowly move the drill bit into a more up-right position and Continue to drill and swaying the machine along a circle You t need to apply too much pressure to let the drill finish the work. the drilling is completed you will feel the drill through the back of glass or ceramic tile Be careful when using because if you use it too fast it may burn a little glaze and burn out Colour: black Material: emery hard Package Contents: 1 * Bits diameter of 1/4 inch (6mm) 1 * Bit diameter of 3/8inch (10mm) 1 * Bit diameter of 5/16inch (8mm) Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.