Hole Saws can be used if you need to make a hole bigger than a standard drill bit can handle.
They are suitable for use with wood, metal and plastic and are available in many different sizes depending on the job in hand. Here you will find a selection or Pilot Drills and Arbors with Pilot Drills compatible with Hole Saws to enable you to carry out any task, big or small.
These excellently manufactured products are also available in kits specifically provided for electricians and plumbers.