1-3/8 Inch Diamond Drill Bit with Pilot - Porcelain & Tile Hole Saw granite drill Designed for compatibility with Dremel

Designed for compatibility with Dremel 426 and 426B

8260 and others with standard flex shaft threading

these 1-1/4 inch discs resist breakage and wear—perfect for demanding cutting projects

Metal Fabrication: Flat surface grinding and finishing for weld prep and restoration

Plumbing Pipe Penetrations – Water supply lines

1-3/8 Inch Diamond Drill Bit with Pilot - Porcelain & Tile Hole Saw granite drill Designed for compatibility with DremelThe 13 8 inch diamond drill bit includes a removable pilot drill bit, allowing you to create a stable locator ring before continuing the cut. This ensures accurate starts on smooth tile, quartz, and granite surfacescritical for countertop installations. A triplelayer diamond coating delivers faster cutting speed, longer life, and superior performance across hard materials. This enhanced diamond surface ensures clean, chipfree holes ideal for faucets,