Hole Saw Kit Primary Material Application Wood Materials Cut Metal Plastics Sheet Metal Wood Arbor Design Not Included Tooth Material Bi-Metal Teeth per Inch 4/6 Max Cutting Depth 1 1/2 in Impact Rated No Number of Hole Saws 12 Saw Size Range 3/4 in to 4 1/2 in Hole Saw Sizes (Hole Saws) 3/4 in 7/8 in 1 1/8 in 1 1/2 in 1 3/4 in 2 1/4 in 2 9/16 in 3 in 3 1/2 in 4 in 4 1/4 in 4 1/2 in Thread Size 1/2 In.-20 5/8 In.-18 Shank Size 3/8 in Hex 7/16 in Hex