Hole Cutter Kit Primary Material Application Metal Materials Cut Electrical Works Metalworking Plumbing Arbor Design Built-In Tooth Material Carbide Tipped Max Cutting Depth 1/8 in Impact Rated No Hole Cutter Sizes (Hole Cutters) 7/8 in 1 1/8 in 1 3/8 in 1 3/4 in 2 in 2 1/2 in Saw Size Range 7/8 in to 2 1/2 in Number of Hole Cutters 6 Thread Size 5/8 In.-18 Shank Size 3/8 in Pilot Drill Size 1/4 in dia x 2 3/4 in L Number of Pieces 9