3/4 In. -12 High Speed Steel Plug Hand Tap (1-Piece) Hand threading tap is the most versatile taps for hand use, or for tapping under power Hand threading tap is popular for use in general machine tapping or CNC tapping Appropriate for tapping the vast majority of materials in through or blind holed conditions Taper style: starts the thread square with the work piece Plug style: generally used in thru holes Bottom style: generate the thread to the bottom of the hole Set contains taper, plug and bottom taps Makes new threads or re-thread damaged and/or jammed threads For hand use or for tapping under power Plug taps are used for thru holes