Bosch HDG138QA 3-Piece Diamond Hole Saw Set

• Vacuum-brazed diamond grit cuts faster and lasts longer
• Segmented teeth reduce debris and heat
• AutoStart pilot bit is spring-loaded, retractable shaft allows walk-free cutting without a pilot hole
• Pilot bit offers unique grind that starts holes accurately every time
• Plastic case

Fast and easy starts, even in the hardest materials like porcelain and granite. Quick Change universal hole saw system allows change to any size or type of hole saw in seconds. For use only with machines designed for wet sawing and on a GFCI-protected circuit.