Glass Concrete Drill Bit Set Drilling Tool Tile Ceramic Drill Universal Hex N9C5

Product Description: High quality materials With high-quality alloy as raw material the oxidation treatment of the cutter head improves the hardness of the drill bit. Surface electrophoretic coating process Anti oxidation treatment thorough grinding clean and sharp without burr. The drill bit is more wear-resistant and durable. Fully automatic polishing: NC Polishing is fully automatic and each one is unified. Single crossing angle design The cutting resistance is small the drilling is stable the speed is fast and the edge is not broken. The opening shall be clean smooth free of broken edges jitter and easy to chip. Widely used Professional glass and tile drills provide smooth and accurate drilling on tiles marble sheet iron mirrors and glass. Remember to add water or coolant when drilling. 12 different sizes Suitable for your different needs. It can be installed on ordinary hand-held electric drill and bench drill. The clamping range of drilling machine is 10mm and above. Product specification: Color: gold silver Material: cemented carbide Cutting diameter: 3-12mm Length of chip holding groove: 46-57mm Package content: 1 * drill bit Note: Slight measurement deviation is allowed due to manual measurement. Due to different screen and lighting effects the actual color of the item may be slightly different from the color displayed in the image.