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Drillco drill and tap in a single pass, reducing cycle time, and therefore reducing the manufacturing cost of a part. The drill part of the tool produces a hole correctly sized for approximately 75 percent of thread. They can be used on multi-spindle or hand Held drill operations. High-speed steel tools are good for most general Purpose applications, Offering a combination of hardness and toughness for wear resistance. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Comes with round with square end shank. When run in a counterclockwise direction (right-hand cut) spiral Fluted tools evacuate chips up and out of the cut to reduce clogging. Right-hand cut tools have a cutting action that engages when they are run in a clockwise direction.