High Speed 6 Step Drill Bit, Unibit, .187 Inch to .5 Inch, 3/16 to 1/2 Inch

This step drill bit has a titanium coating to run cooler and last longer. Drill up to 6 different size holes with this step drill bit, deburring as you drill. The two flute design makes this step drill cut faster and smoother. Cool-running titanium coating lasts longer than uncoated bits High speed steel for longer life Automatically deburrs holes while drilling Two flute design for faster, smoother cutting 1/4 in. hex shank