Hole Saw Primary Material Application General Purpose Materials Cut Brick Clean Wood Concrete Block Fiber Cement Nail Embedded Wood Arbor Design Not Included Tooth Material Carbide Tipped Saw Dia 3 in Teeth per Inch Gulleted Number of Teeth (Hole Cutters Only) 3 Max Cutting Depth 2 7/16 in Impact Rated No Thread Size 5/8 In.-18 Shank Size 1/4 in Tri Lobe 1/4 in Single Flat Pilot Drill Size 1/4 in dia x 3 3/4 in L 3/8 in dia x 3 3/4 in L