Description
The quick change 7/16 inch hex mandrel for a 1/2 inch drill and is used for hole saw sizes 1 1/4 inch to 7 7/8 inch. All mandrels come complete with a high-speed 1/4 inch pilot drill and are fully heat treated to provide positive drive to the hole saw. Rubber o-ring secures hole saw to mandrel. For a tighter fit and no vibration.
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