Hole Saws
These are steel cylinders with saw teeth on their top edge that cut at the periphery. They are most commonly used with a pilot drill to keep the hole saw centered. They almost always require a separate arbor to attach them to a drill.
These are steel cylinders with saw teeth on their top edge that cut at the periphery. They are most commonly used with a pilot drill to keep the hole saw centered. They almost always require a separate arbor to attach them to a drill.