TLILY 5 PCs 5/16 Inch 8mm + 3/8 10mm Diamond Coated Drill Bit for Tile Marble Glass Ceramic Hole Saw Core

General description 10 Pieces of Dry Diamond Core Drill Bits Kit designed for drilling clean holes with diameters of 5/16 inch (8mm) and 3/8 inch (10mm). Ideal for hard materials such as tiles, porcelain, ceramic, glass, marble, stone, masonry, and brick. Please note that these bits are not suitable for wood. Technical specifications Bit diameters: 5/16 inch (8mm) and 3/8 inch (10mm) Length: 65mm Material: Diamond coating Color: Blue Installation Place the drill at a 45-degree angle to start drilling and prevent slipping. Gradually move the drill bit to a more upright position while continuing to drill in a circular motion. Apply minimal pressure; let the drill do the work. Be cautious of speed to avoid burning the glaze or damaging the bit. Usage Can be used with various machines such as Hand Drill, Angle Grinder, and Bench Drill. Water can be used as additional cooling to prolong the life of the bit. Depth mark on the bit aids in precise drilling. Other information