Description of Preamer Step Cone Titanium Drill
.Automatically Deburrs Holes as you Drill. Two-flute Design Gives You Faster, Smoother Cutting. The step drill bit is made from upgraded high speed steel characterized by well-balanced toughness, wear resistance and red hardness properties for better and faster hole -drilling performance. The titanium coating makes the drill bit more durable so that it can last for years with uncompromised quality. TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal. WIDELY APPLICATION - The step drill bits can be used to chamfer, bur, and drill or enlarge holes. The step drill bits can work with aluminum alloy, plastic material, and wood. Hi-Molybdenum M7 HSS Steel.Tri-Flat Shank Prevents "Spinning" in the Chuck.