Drilax 1 Inch Diamond Hole Saw Drill Bit Tiles, Quartz, Marble, Granite Countertop, Ceramic, Porcelain Tiles Terra COTA Flower Pot Drain Holes with Removable Center Pilot Drill Bit Locator Pin Locator
Clean, Precise, Fast, and Dustless Cuts Every Time Standard 3/8" Shank for Standard Drills - No Special Tools Needed
The Pilot Drill Bit is an Initial Locator. It should be removed after making a 1/8 inch marker ring. This ring will be enough to keep the diamond hole saw in position without the pilot bit.