Hole Saw, Primary Material Application Wood, Materials Cut Masonry, Metal, Plastics and Composites, Wood, Arbor Design Arbor Not Included, Tooth Material Carbide Tipped, Saw Dia. 4 in, Teeth per Inch 1, Max. Cutting Depth 2 in, Impact Rated Not Impact Rated, Thread Size 1/2 In.-18, Shank Size 7/16 in, Pilot Drill Size 5/16 in dia x 4 in L