BOSCH HDG11 11-Piece Diamond Hole Saw Assorted Set for Hard Materials for Use Only with Machines Designed for Wet Sawing and on GFCI-Protected Circuit

Product Description 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. Amazon.com The Bosch diamond grit hole saw is one of the latest additions to the Bosch hole saw product line. The hole saw features vacuum brazing technology for faster cutting and longer life than competitive products. As with Bosch's entire line of hole saws, these products are part of the patented Quick Change universal hole saw system, which lets you change hole saws in seconds. Bosch's new diamond grit hole saws start fast and simple, every time.

• 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
• Set includes: (1) mandrel, (1) AutoStart pilot bit, hole saws: (1) 1 4 inch, (1) 5 16 inch, (1) 3 8 inch, (1) 5 8 inch, (1) 1 inch, (1) 1-3 8 inch, (1) 2 inch, (1) 2-1 4 inch, (1) 2-1 2 inch