- Reduce set-up time, it easily can be replaced on the   machine.- The ability of the standard spade drill to accept a   wide range of different diameter inserts instead of   the "one-tool, one-diameter" requirement of   indexable insert drills.- Spade Drills can evacuate chips from the hole as   efficiently at the slower speeds and feed rates.- The coolant-fed design assures that coolant gets to    the cutting