Thread Milling Cutters - Tri - Form - UN Threads

Thread Milling Cutters - Tri-Form - UN Threads are designed for threading in hardened steels and difficult-to-machine materials. Its left hand cut, left hand spiral design is ideal for climb milling from the top of a thread to the bottom of right hand threads.

• Designed for threading in hardened steels and difficult-to-machine materials
• Left-hand-cut, left-hand spiral design for climb milling from top to bottom of right-hand threads
• Three forms and helical design reduces tool pressure and deflection resulting in accurate threads
• Cuts internal 60° UN threads
• Able to cut larger threads of the same pitch
• h6 shank tolerance for high precision tool holders
• Latest generation AlTiN Nano coating offers superior hardness and heat resistance
• Select carbide grade for maximum tool life
• CNC ground in the USA   

Threading