Revolutionary Design: Tri-flatted shank fits into power tools chuck securely and eliminates slip; two-flute design clears chips faster and allows particles to escape easily
Titanium Coating: Coated with titanium, this step drill set performs well in heat, corrosion and rust resistance
Durable HSS Drill Bit: Made of high-speed steel for long-lasting performance, this drill bit easily cuts through iron, aluminum, copper, plastic, wood, and other sheet metals. It also automatically deburrs holes while drilling to maintain a clean bit
A Must-Have for Handyman or Professionals: Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron and many other types of sheet metal (excluding steel or any other harder metal)