Viking Drill and Tool 32030 Type 601 Carbide Tipped Bell Hanger Bit, 1/2 x 12" Carbide Tipped Alloy Steel Shank Bell Hanger Carbide Tipped, Bell hanger bit Flutes designed for quick chip clearance Installer bit recommended for electrical, cable, telephone installers 32030 1/2-inch x 12-inch Type 601 Carbide Tipped Bell Hanger Bit