#38 Carbide Drill Screw Machine Length ALTIN Coated
Premium Sub-Micrograin Solid Carbide Stub Length Drill Bits2 Flute15° Helix135° Split Point Stub Length These drill bits require rigid toolholding and workholding to be run properly and avoid breakageALTIN Coating: A high performance coating for drilling stainlesssteels, carbon steels, alloy steels, and cast iron..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.View Carbide Drill Speeds & FeedsCarbide Drill TolerancesDiameter Tolerance+.