Angle Grinder Opener Diamond Drill Bit M10 Inner Thread for Marble Tile Jade

1、Chose high-quality diamond as material it is strong for and durable. 2、The hot pressing technology makes the blade thick and opening quicker. 3、The screw hole is designed for angle grinders and is more labor-saving. 4、Applicable to marble tile vitrified tile floor tile full tile stone jade microcrystalline stone. 5、The holes are neat and smooth without broken edges and will not produce tremor effects.