Tamo titanium-coated HSS STEP Twist Drill Bit Set delivers top-class performance. Its unique stepped tip eliminates the need for pilot hole drilling and ensures flawless, round holes. Tilting capability increases control and speeds up the drilling process. Suitable for steel, aluminum, plastic, non-ferrous metals, hardwood, and softwood. Durable service life and reliable performance make it an ideal choice for professional use. Try the twist drill bit with STEP technology and experience premium drilling results effortlessly in different materials.