Hole Saw Kit Primary Material Application Metal Materials Cut Metal Arbor Design Included Tooth Material Steel Teeth per Inch 6/7 Max Cutting Depth 1/2 in Impact Rated Yes Number of Hole Saws 5 Saw Size Range 3/4 in to 1 3/8 in Hole Saw Sizes (Hole Saws) 3/4 in 7/8 in 1 1/8 in 1 3/8 in Thread Size 1/2 In.-20 5/8 In.-18 Shank Size 1/4 in Hex Pilot Drill Size 5/32 in dia x 3 in L Number of Pieces 5