Hollow Drill Hole Saw Set Drilling Bits Tile Opener with Guidance Fixture for Ceramic

Best Drilling Effect: Industrial grade carbon steel, nickel plated coating can anti corrosion. Thickened coating provide excellent cutting strength, high accuracy and cutting, and the best drilling effect 10 Different Drill Bits: This hole saw set is equipped with 10 different drill bits to meet different needs Practical Large and Small Holes: Large clrance hole facilitates cooling water entry, prevent chips and particles from being discharged, punching and sier drilling. Small hole is convenient to pull out debris when stuck Item Type: Hollow Drill Hole Saw Set Material: ABS+carbon steel Purpose: Hollow drill set Hole Saw Drill Bit Diameter: Approx. 6mm / 0.2in 8mm / 0.3in 10mm / 0.4in 12mm / 0.5in 20mm / 0.8in 25mm / 1in 30mm / 1.2in 35mm / 1.4in 40mm / 1.6in 50mm / 2in Screwdriver Length: Approx. 12.6cm / 5in