High Speed 13 Step Drill Bit, Unibit, .125 Inch to .5 Inch, 1/8 Inch to 1/2 Inch

This step drill bit has a titanium coating to run cooler and last longer. Drill up to 13 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