Hole Cutters, Hole Cutter, Primary Saw Application Wood, Max. Cutting Depth 2 1/8 in, Arbor Design Arbor Not Included, Tooth Material Bi-Metal, Number of Teeth 3, Thread Size 5/8 In.-18, Replacement Arbor No. Mfr. No. 49-56-9305, Replacement Pilot Drill No. Mfr. No. 49-56-9300, Application Sheet Metal, Stainless Steel, Pipe, Aluminum, PVC/ABS, Plastic