Hole Cutter Primary Material Application Wood Materials Cut Nail-Embedded Wood Arbor Design Not Included Tooth Material Bi-Metal Saw Dia 6 1/4 in Number of Teeth (Hole Cutters Only) 3 Max Cutting Depth 2 1/8 in Impact Rated No Replacement Arbor Mfr No 49-56-9305 Thread Size 5/8 In.-18