Drill Bit Opener Diamond Angle Grinder Hole Saw Cutting Tool for Marble Glass Ceramic20mm

1. Adopts high-quality diamond as material which is strong and durable. 2. The screw hole is designed for angle grinders and is more labor-saving. 3. The opening is neat and smooth with no broken edges, and does not produce tremor effect. 4. Suitable for marble, ceramic tile, vitrified tile, floor tile, full tile, stone, jade, microcrystalline stone. 5. The hot pressing technology makes the blade thick and opening more fast. Specification: Item Type:Diamond Hole SawMaterial:Diamond Inner Thread:M10 Size:18mm/20mm/22mm(Optional) Package List: 1 x 20mm Angle Grinder Hole Saw