Hole Saw, Primary Material Application General Purpose, Materials Aluminum, Brass, Bronze, Plastic, Stainless Steel, Steel, Arbor Design Arbor Not Included, Tooth Material Cobalt 8, Saw Dia. 6 5/8 in, Teeth per Inch 6, Max. Cutting Depth 38 mm, Impact Rated Not Impact Rated, Thread Size 1/2 In.