DT-DIATOOL Vacuum Brazed Dry Diamond Drilling Core Bits with Hexagon Shank for Granite Marble Ceramic Tile Glass

Product Name: DT-DIATOOL 5pcs/box Vacuum Brazed Dry Diamond Drilling Core Bits Hole Saw for stone masonry ceramic Specification:   Diameter 5mm, 6mm, 8mm, 10mm, 12mm 14mm, Hexagon Shank;  Diamond length 10mm, Maximum drilling depth 30mm; 5mm and 6mm: total length 68mm;  8mm-14mm: total length 80mm; Quantity: 5pcs diamond drilling bits and 1pc Box Feature:   Wax inside for cooling, Dry drilling without water Very high efficiency, multi-purpose drilling For drilling granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic..... Long life  drilling OPERATION TIPS: 1. Ensure all the forms of percussion or hammer action are turned off. 2. Use a suction cup guide to enable an accurately positioned hole, Alternatively place the drill at a 45 degree angle. Drill until the drill bit starts to penetrate the material and then bring the drill up into the upright position and continue. 3. The tip of the drill bit will become hot, please handle it with care 4. Applying excessive