They are also appropriate for tapping the vast majority of materials in through or blind holed conditions. m28x2 HSS Metric Hand Tap Hand Taps are the most versatile taps for hand use, or for tapping under power. Plug Style: Generally used in thru holes. HSS, Hand Tap, Size: 28x2 Hand taps are popular for use in general machine tapping or CNC tapping.
12-28 Carbon Steel Bottoming Hand Tap Carbon Steel Hand Tap, Bottoming, #12-28, Number of Flutes 4 Taper Style: Starts the thread square with the workpiece.Bottom Style: Generate the thread to the bottom of the hole. Carbon Steel Hand Taps are used to re-thread damaged and/or jammed threads. Carbon Steel Hand Taps may also be used to thread mild steels.