Carbide tipped holesaw Primary Material Application General Purpose Materials Cut Aluminum Fastener Embedded Wood Fiberglass Stainless Steel Arbor Design Not Included Tooth Material Carbide Tipped Saw Dia 3 in Teeth per Inch 2/3 Number of Teeth (Hole Cutters Only) 3 TPI Max Cutting Depth 1 15/16 in Impact Rated No Thread Size 5/8 in -18 Shank Size 7/16 in hex