1 3/8" Diamond Grit Hole Saw for Cutting Granite, with Mandrel

The Bosch HDG138QA is a 1 3/8" diamond grit hole saw kit that also includes the HDGQA mandrel, and the HDGBP auto start pilot bit. The kit is a perfect solution for cutting through hard surfaces such as granite. The saw has a cutting depth of 1.5", plenty to get through a countertop. The vacuum-brazed diamond grit teeth cuts through stone surfaces quicker while lasting longer than a traditional hole saw (it is recommended to use water when drilling). The included mandrel makes centering and starting the hole a simple process. Its quick change feature allows you to change hole saw sizes quickly, as well as simple plug removal. The hole saw and mandrel kit is a perfect solution for cutting a 1 3/8" hole in any hard surface, it would work well for cutting the 1 3/8" hole required for faucets and garbage disposal air switches.  Specifications: Manufacturer: Bosch Part Number: HDG138QA Hole size:  1 3/8" Color: Black Cutting depth: 1.5" Material: Diamond tipped Includes: Ma