Hole Cutter, Primary Material Application Steel, Materials Cut Stainless Steel, Arbor Design Not Included, Tooth Material Steel, Saw Dia. 1 3/8 in, Number of Teeth (Hole Cutters Only) 6, Max. Cutting Depth 1/2 in, Impact Rated No, Shank Size 1/2 in, Pilot Drill Size 3/8 in dia x 2 3/4 in L