10 x Diamond Holesaw Tile Glass Porcelain Marble Drill Tool

and High . Need Cooling and lubrication. Diamond tile ceramic glass porcelain marble drill. Always use lubrication (water) if not the diamond core will over heat. Use for conventional power drills on the low speed setting with the hammer action disabled. These are auiable for drilling ceramic tiles glass marble and porcelain tiles up to hardness grade 5. If you re drilling on a vertical surface try a hand spray water bottle or sponge soaked in water and underneath in contact with the drill bit. Keep the bit as wet as possible during operation if the bit dries out during use it will overheat and immediately blunt. How to use: Clamped firmly to a bench to allow for slow controlled drilling. If drilling in or at an awkward cna try following : a template from a piece of timber or waste material locate this over the area where you want to drill your hole and use it as a guide to the hole. Once you ve got into the surface by 1mm to 2mm you can remove the guide and continue to drill in a controlled manner. your hole diagonally a round trace and then hold drill straight. Length: 5cm Hole size: 6mm Material: Diamond Listing inCluding : 10 x hole Opener Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.