welltop Diamond Drill Bit Set, 15 Pack Diamond Coated Core Hole Saw Drill Bits, 6-50mm Tile Drill Bit Tile Hole Cutter Set for Glass Ceramic Tile Marble Granite

welltop diamond drill bits set includes 15pcs different sizes high-strength carbon steel drills. It is sharp and smooth cut, easy to use with all electric drill and impact drill, perfect for drilling holes in glass, tile bottles, glass blocks, ceramics, marble stone slabs, porous granite and other hard surface. Features: 1.15 pack different sizes high precision drills satisfy most of you different cutting needs. 2.Made of high-strength carbon steel, precise and durable, cut hard objects for a long time without damage. 3.Uniform diamond coating greatly helps to increase the drilling speed, and more sharper than other ordinary hole saws. 4.Center pilot holes and side holes help to remove the waste material easily, will work with all electric drill and impact drill. 5.Perfect for drilling holes in glass, tile bottles, glass blocks, ceramics, marble stone slabs, porous granite and other hard surface. Warm tips: 1.This product is best used with water lubrication. 2.After use, please dry the surface moisture and store. Specification: Quantity: 15 Pack Bits Diameter: 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 26mm, 28mm, 30mm, 40mm, 50mm Material: Carbon Steel Package Size: 5.5 x 3.9 x 2inch/14 x 10 x 5cm Package Weight: 0.73lb/0.33kg What you get: 15 x Diamond Drill Bits Welcome to welltop store, may you have a pleasant shopping experience! If you have any problems about our products, please feel free to contact us at any time !