Hole Saw, Primary Material Application General Purpose, Materials Metal, Plastics and Composites, Sheet Metal, Wood, Arbor Design Not Included, Tooth Material Bi-Metal, Saw Dia. 7/8 in, Teeth per Inch 4/6, Max. Cutting Depth 1 1/2 in, Impact Rated No, Thread Size 1/2 In.-20, Shank Size 1/4 in Hex, 3/8 in Hex, 7/16 in Hex, Pilot Drill Size 1/4 in dia x 4 in L