6-12mm Dry Ceramic Tile Drill Bit Triangular Shank Brazing Hole Opener Drilling

Features: *Brazed Diamond drilling bits Dry drilling for stone masonry ceramic tile. *For drilling granite marble masonry concrete tile ceramic. *Wax inside for cooling Dry drilling without water. *Very high efficiency multi-purpose drilling Long life drilling. Specifications: Product name: Brazing Hole Opener Material: Emery HCS Production process: Brazing Color: Black Silver Shank: 9.5mm Triangular Shank Optional Size: 6mm 8mm 10mm 12mm Suitable for: Drilling granite marble masonry concrete tile ceramic Optional: 1Pc Package Includes: 1 × Brazing Hole Opener Notes: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.