GREENLEE 1-3/8 in. Quick-Change Carbide-Tipped Hole Cutter

Application : Stainless steel, mild steel, aluminum, copper, brass, fiberglass and plasticsHole Size : 1-3/8"" (34.9 mm) for 1"" conduitType : Carbide-Tipped Hole CutterShank Size : 645-011 arbor sold separately (3/8"" shank)Maximum Cutting Depth : 8 gaCutting Edge : Tungsten Carbide TeethPilot Drill : Replacement 645-001 sold separatelyPilot Drill Size : 1/4"" x 2-1/2"" (6 mm x 64 mm)