Drillco straight flute "hand tap" is the most popular and versatile style of tap in general machine tapping operations. It is for general use in production tapping or hand operations in a wide range of application material groups. High-speed steel tools is 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 is 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 it cut and is well suited for most applications in shallow cuts. Right-hand cut tools have a cutting action that engages when it is run in a clockwise direction. 3-5 Pitch Chamfer length. Generally used in through holes.