0000/-.Premium Sub-Micrograin Solid Carbide Straight Flute Drill Bits140° Split Point Designed for Drilling Hardened MaterialsStub Length These drill bits require rigid toolholding and workholding to be run properly and avoid breakageView Carbide Drill Speeds & FeedsCarbide Drill TolerancesDiameter Tolerance+.P Carbide Drill Straight Flute As with all of our solid carbide tools, these drill bits are manufactured using state-of-the-art machinery, manufacturing processes and inspection techniques, making them the preferred choice of solid carbide drills for machinists wanting to produce high quality parts with maximum tool life.0005.