5-12mm Diamond Brazed Dry Drilling Bit Coated Drill Bit for Tile Marble Glass Ceramic Hole Saw Drill Core Bit Drilling

Description Features:· Made of high quality material,· Brazed Emery drilling bits Dry drilling for stone masonry ceramic tile· Dry drilling without water. Very high efficiency, multi-purpose drilling· When using brazed Emery, the speed of the electric tool should not be lower than 2000 rpm/min, The faster the speed, the better the effect. The should not be pressed down very hard, otherwise it is easy to damage the.· For drilling granite marble masonry concrete tile ceramic· Wax inside for cooling Dry drilling without water· Integrated lubricant, aids cooling and prolongs life, which means there is no requirement for additional lubricant.· Etched, diameter on Drill Bit for ease of identification.· Can be used for cutting through hard porcelain tile,, marble and slate with ease. Package included:1*Drill Bit✔️ Notes:Please allow 1-3mm differs due to manual measurement.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.