Hole Saw Primary Material Application Steel Materials Cut Machinable Metals Nail-Embedded Wood Plastic Stainless Steel Wood Arbor Design Built-In Tooth Material Bi-Metal Saw Dia 2 1/2 in Teeth per Inch 5/6 Max Cutting Depth 1 7/8 in Impact Rated No Thread Size 5/8 In.-18 Shank Size 3/8 in Pilot Drill Size 1/4 in dia x 3 3/32 in L