IRWIN Unibit Self-Starting Step Drills
Features:
- Multiple Hole Sizes UNIBIT Step Drills have an exclusive single radial concave flute.
- Allows the drilling of perfectly round holes in thin materials quickly and with less effort.
- Each bit is constructed of industrial grade high speed molybdenum steel, and is heat treated to a hardness of between 61 and 63 on the Rockwell "C" scale. This assures maximum strength and long life.
- Use for steel, copper, brass, aluminum and other thin materials.
- Also ideal for drilling through wood, composition board, and even plexiglass and plastics which often crack with standard twist drills.
- Handle thicker materials by drilling from both sides of work surface.
- Use for reaming, deburring and cutting through soft wood or plasterboard.
For more info, visit www.p65warnings.ca.gov.