8pcs HSS Countersink Cutter Titanium Drill Bit Set

Titanium coated bevel knife is very suitable for milling and countersinking. Wide range of application, applicable to metal and some non-metal materials, stainless steel, steel die, iron, copper, aluminum series, carbon steel, thin iron plate, insulation plate, PVC plate, wooden plate and so on. The milling is carbon steel with titanium plated on the surface.It is sturdy and durable, not easy to rust, and has a long service life. High-quality cutters: Standard sizes are suitable for all types of ordinary drills and drills, including vertical drills. Concentric Mouth Mouth: More than 90 degrees, easier operation and longer life. Sharp angles and precise images flash at a 90 angle to facilitate precise drilling.