Reduced Shank Drills feature a shank smaller than the cut diameter for use in a variety of tools that have a chuck capacity smaller than the diameter of the hole to be drilled.
Taper Shank HSS Drill Bits
Taper Shank HSS Drill Bits
These Taper Shank Drill Bits featured a tapered shank designed to be used with Morse Taper Shank holders.