#8-40 UNS High-Speed Steel HSS Bottoming Tap

Used to make new threads or re-thread damaged and/or jammed threads

Hand Taps are the most versatile taps for hand use. They are also appropriate for tapping the vast majority of materials in through or blind holed conditions.

Hand Taps come in three styles: Taper, Plug, or Bottom. Taper Style: Starts the thread square with the workpiece. Plug Style: Generally used in thru holes. Bottom Style: Generate the thread to the bottom of the hole. A tap set contains 1 taper 1 plug and 1 bottoming tap.