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. 4 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