HSS Step Drills, Bright Finish
- Single bit can be used for drilling a wide range of hole sizes in metal, plastic and wood
- Single radial concave flute creates perfectly round holes in metal, plastic wood and other thin materials without center punching
- Constructed 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
- Uncoated (bright) finish