Hole Saw Primary Material Application Steel Materials Cut Steel Arbor Design Not Included Tooth Material Bi-Metal Saw Dia 1 3/4 in Teeth per Inch 4/6 Max Cutting Depth 1 5/8 in Impact Rated No Shank Size 1/2 in Round 3/8 in Round 7/16 in Hex Pilot Drill Size 1/4 in dia x 4 1/4 in L