9/16"-12 UNC Carbon Steel Plug Tap Hand Taps come in three styles Taper, Plug or Bottoming.Bottom Style: Generate the thread to the bottom of the hole. A tap set contains 1 taper, 1 plug and 1 bottoming tap..
No special holder is required for this type of die, any wrench large enough will suffice.m22 X 1 Carbon Steel Hex Die They are the most cost effective rethreading tool available.
. The slot is beveled so that when the dies are used in a machine holder the adjusting screw can be removed and adjustment made by the adjusting screws in the holder. HSS Round Dies are for use in making new threads or re-threading existing threads.