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