Power Tools

2 M10 Thread Diamond Step Drill Bit and Shank Adapter for Drills 20mm 35mm 50mm Diamond Core Drill Bit Hole Opener Puncher Round Cone Grinder Bit Fit for Marble Stone Tile Concrete Granite Quartzite Package Contents: You will get to M10 Thread Diamond Step Drill Bit and 2Pcs Shank Adapter for Drills Three-in-one size design: 20mm/35mm/50mm are available to meet different hole diameter requirements, achieve precise hole expansion, and... 2 M10 Thread Diamond Step Drill Bit and Shank Adapter for Drills 20mm 35mm 50mm Diamond Core Drill Bit Hole Opener Puncher Round Cone Grinder Bit Fit for Marble Stone Tile Concrete Granite Quartzite