Hole Saw Primary Material Application Masonry and Tile Materials Cut Acoustic Tile Brick Cast Iron Cement Board Ceramics Cinderblock Composites Fiberglass Formica Particle Board Arbor Design Not Included Tooth Material Tungsten Carbide Grit Saw Dia 4 1/2 in Teeth per Inch Gulleted Max Cutting Depth 1 7/8 in Impact Rated No Thread Size 5/8 In.-18 Shank Size Any Shank Size Pilot Drill Size 1/4 in dia x 3 3/32 in L