3-Piece Titanium Coted Cone Metal Step Drill Bits

Material: Titanium Plating High Speed Steel, Classic high speed titanium coated steel for unbeatable capacity and durability during drilling, Depending on the need to process holes of different diameters, disposable macroprocessing can be achieved without having to replace the drill and position the holes, This drill is a conical cutting hole made of high-speed and high-quality steel coated titanium to reduce friction and heat.