Discontinued. Limited stock.
For use with our bimetal (HSS-tipped) hole saws , these mandrels have a quick-change locking mechanism and an adjustable pilot bit. The standard mandrel has a 3/8" shank and can be used only on hole saws up to 2 1/4". The heavy-duty mandrel has a 7/16" shank and can be used on all the sizes we offer.