Hole Cutters, Hole Cutter, Primary Saw Application Metal, Number of Pieces 1, Max. Cutting Depth 1/2 in, Arbor Design Arbor Not Included, Tooth Material Carbide Tipped, Number of Teeth 6, Thread Size Not Applicable, Replacement Arbor No. Mfr. No. 49-57-0035, Shank Size 1/2 in, Pilot Drill Size 3/8 in dia x 2 3/4 in L, Replacement Pilot Drill No. Mfr. No. 49-57-0038, Application Mild Steel, Stainless Steel