Please call the store for pricing and availability. If you don't see a product you're looking for, let us know. This catalog represents only some of the inventory that we carry in store.

Century Drill and Tool Carbon Steel Plug Tap 1/2-20 NF (1/2-20 National Fine)

Century Drill & Tool

Please call the store for pricing and availability. If you don't see a product you're looking for, let us know. This catalog represents only some of the inventory that we carry in store.



  • Heat treated and tempered for file hard threads and longer useful life
  • Designed for hand cutting applications
  • The plug style tap is the most commonly used style of tap with 3 to 5 threads chamfered
  • Best drill: 29/64″

Use with Cutting Oil when cutting threads in metal.


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