Description
The spring loaded 3/8 inch hex mandrel for a 3/8 inch drill and is used for hole saw sizes 1 1/4 inch to 7 7/8 inch. The spring loaded mandrel holds drive pins securely in place. Will not vibrate loose. 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.
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