12PCs/Box Drilling/Hole Brazing Core Drill Bit Set M10 Marble Drill Bit Tile Ceramic

Label:Yes Usage: Used for opening holes in marble materials Weight: 0.65kg/box Color:as show Package:12pcs/box Drill Bit Set Size:Diameter: 6/8/10/12/14/16/18/20/22/25/30/35mm(0.24/0.31/0.39/0.47/0.55/0.63/0.71/0.79/0.87/0.98/1.18/1.38in) Material: Emery,carbon steel Name: Hole opener set Packing size: about 19.5x15x5cm(7.68x5.91x1.97in) Highlight description: Scope of Application: It is suitable for drilling ceramic tiles, porcelain, glass, marble, slate, granite and other stones, and is suitable for various kinds of electric drills and impact drills Professional Design: coating makes the drill bit incisive, improves the drilling speed, and is not easy to wear out after long term use. Chip holes on the side allow you to add water to cool down and clean debris Accurate Positioning: The drill bit has good cutting hole finish and good cleaning effect. effectively reduce drilling resistance, accurate positioning.