Designation. UNJ product threads are identified by the letter “J” in the thread symbol, and a thread class symbol including an “A” for external threads or a “B” for internal threads. Use of Unified Tooling. Many of the UNJ thread form characteristics are the same as for a UN threads.

For Internal/External Threads (UNC, UNEF, UNF, UNS) and Internal Threads (UNJ) Thread mills have a single cutting point that cuts internal/external UNC, UNEF, UNF, or UNS threads in a range of different pitches on both the inside and outside of the workpiece.

Choose from our selection of UNJ/UNJF (JIC) tube fittings, including over 275 products in a wide range of styles and sizes.

Thread mills cut external UNJ threads with a single point, producing rounded threads that are commonly used for high-stress fastening applications involving heavy loads and high pressures. Each cuts a single thread pitch.

Choose from our selection of UNJF inserts, including over 80 products in a wide range of styles and sizes. Same and Next Day Deli

Designation. UNJ product threads are identified by the letter “J” in the thread symbol, and a thread class symbol including an “A” for external threads or a “B” for internal threads. Use of Unified Tooling. Many of the UNJ thread form characteristics are the same as for a UN threads. Therefore, some of the tooling

Choose from our selection of UNJC inserts, including threaded inserts, nuts, and more. Same and Next Day Delivery.

Choose from our selection of JIC fittings, including over 1,600 products in a wide range of styles and sizes. Same and Next Day Deliver

Choose from our selection of 1 5/8"-12 adapters, including metal pipe and pipe fittings, tube fittings for metal tubing, and more.

Choose from our selection of mil. spec. nuts, including over 225 products in a wide range of styles and sizes