Diamond Hole Saw Drill Bit Gold Granite Ceramic Tile Concrete Marble Drilling Tools 25mm

1、Made of high quality diamond material with high hardness and durability 2、Strong hole opening performance fast drilling speed smoothly and seamless 3、Adopt high?quality brazing technology smoothly opening without broken edges no vibration 4、Suitable for drilling holes in marble concrete granite tiles glass etc. 5、Great workmanship perfect replacement for the old one