HSS Hex Shank Step Drills, Black & Gold

HSS Hex Shank Step Drills, Black & Gold

  • Black and gold surface treated
  • 1/4" quick change hex shank
  • Single bit can be used for drilling a wide range of hole sizes in metal, plastic and wood
  • Exlusive single radial concave flute crates perfectly round holes in metal, plastic wood and other thin materials without center punching
  • Contructed of industrial grade high-speed molybdenum steel, heat-treated and temperature for long life
  • No center punching needed
  • Automatically deburrs top side of hole. Ideal for steel, copper, aluminum and other thin materials