CHAMPION XL100 HSS Annular Cutters, 1" Depth of CutHSS Annular Cutters 1" Depth Of Cut Item #: XL100 Drill Large Diameter Holes In Steel Plate, Structural Beams, Pipe, Tube For Use With RotoBrute Magnetic Drill Press Systems And Most Other Mag Drill Systems Up to 1 In Depth Of Cut Surface Treated High Speed Steel For Fast Cutting And Longer Cutter Life When Used With Pilot Pin (Sold Separately), Metal Plugs Will Eject, For Fast, Productive Drilling Use BruteLube Fluid Or Wax For Enhanced Heat