3/4-14 Npt Pipe Tap And 59/64" Drill Set, Carbon Steel Hand Threading Plumbing ?Size?Include 1pc carbon steel 3/4 -14 NPT tap and 1pc 59/64" HSS drill bit,all stored in a storage box for easy carrying. ?Top Quality?All the NPT taps and drill bits are made of top-grade carbon ??steel and the surface is treated with black nitride to ensure its high hardness, rust proof, sturdy and durable. ?Feature?This drill tap set are designed to clean and or re-thread damaged or Jam pipe threads.These NPT taps provide precision cut threads that are accurately formed for efficient, accurate pipe threading. ?Widely Application?The NPT thread design of this pipe thread tap drill bit set can create a secure and leak-free connection between pipes or fittings. This makes them widely used to accurately repair damaged pipe threads on metal pipes, iron pipes, aluminum pipes, copper pipes, plastic pipes, etc. ?Satisfaction?RURITKIT aims to provide high-grade products and customer service to all customers. Any problems, just contact us and our after-sale team will solve your problems ASAP.