Hole Saw Primary Material Application General Purpose Materials Cut Metal Plastics and Composites Sheet Metal Wood Arbor Design Not Included Tooth Material Bi-Metal Saw Dia 1 5/8 in Teeth per Inch 4/6 Max Cutting Depth 1 1/2 in Impact Rated No Thread Size 5/8 In.-18 Shank Size 3/8 in Hex 7/16 in Hex Pilot Drill Size 1/4 in x 3 in L 1/4 in x 4 in L