Used to make new threads or re-thread damaged and/or jammed threads High speed steel hand tap in three types: cone shape: the thread square starts with the workpiece. Plug Style: Used in through holes Bottom style: generate the thread at the bottom of the hole. High speed steel hand taps are the most versatile taps for use by hand or for tapping under power Hand taps are popular for use in general machine tapping or CNC tapping Uncoated tools feature only the base substrate without additional treatment or coatings and are suitable for a variety of applications