For use in power drills and stationary drilling machines.

• Ideal for use with plastic, metal and wood for enlarging a smaller hole to a larger size.
• The maximum thickness is determined by the length of step.
• Hole deburred at the same time.
• 4mm to 12mm in drill diameter increments of 2cm.
• 6mm to 24mm in drill diameter increments of 2cm.
• Drilling speed should be under 1500RPM.
• A cutting lubricant is advisable.
• Not for use in a router.