Hole Saw,hole cutter Full series of hole saws for cutting masonry building materials, such as concrete, bricks, stone blocks HOLE SAWDiamond core drills ... to 152mmTungsten grit tipped hole saw is to cut holes in concrete, bricks, cements, plaster, wood board, granite slab, etc ... 70mm, max diameter: 152mmTCT hole saw is to cut holes in concrete, bricks, cements, plaster, wood board, granite slab, etc. ...