Hole Saw, Primary Material Application Masonry and Tile, Materials Cut Tile and Stone, Arbor Design Arbor Not Included, Tooth Material Diamond Grit, Saw Dia. 2 1/2 in, Teeth per Inch 4, Max. Cutting Depth 1 1/2 in, Impact Rated Not Impact Rated, Thread Size 5/8 In.-18, Shank Size 1/4 in, Pilot Drill Size 1/4 in dia x 2 in L