5 Pcs Angle Grinder Opener Diamond Drill Bit M10 Inner Thread For Marble Tile Jade14mm

Chose high-quality diamond as material, it is strong for and durable.

The hot pressing technology makes the blade thick and opening quicker.

The screw hole is designed for angle grinders and is more labor-saving.

Applicable to marble, tile, vitrified tile, floor tile, full tile, stone, jade, microcrystalline stone.

The holes are neat and smooth without broken edges and will not produce tremor effects.