Hole Cutter Primary Material Application General Purpose Materials Cut Aluminum Pipe Plastic PVC/ABS Sheet Metal Stainless Steel Arbor Design Built-In Tooth Material Carbide Tipped Saw Dia 2 1/2 in Number of Teeth (Hole Cutters Only) 8 Max Cutting Depth 1/8 in Impact Rated Yes Shank Size 3/8 in Pilot Drill Size 1/4 in dia