Hole Saw, Primary Material Application Wood, Materials Cut Masonry, Metal, Nail-Embedded Wood, Arbor Design Not Included, Tooth Material Bi-Metal, Saw Dia. 4 in, Teeth per Inch 4, Max. Cutting Depth 1 5/8 in, Impact Rated No, Thread Size 5/8 In.-18, Shank Size 3/8 in Hex, 7/16 in Hex, Pilot Drill Size 1/4 in dia x 3-1/2 in L