Drillco 2700E Series Carbon Steel Tap, Uncoated (Bright) Finish, Round Shank with Square End, Pipe Chamfer, 1/2"-14 Size Made of carbon steel 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 Straight flute tools allow chips to collect in the flutes as they cut and are well suited for most applications in Shallow cuts Right-hand cut tools have a cutting action that engages when they are run in a Clockwise direction