Carmex Thread Mills Carbide - Single Point - Metric - M1 x 0.25 - MT11Carmex Thread Mills Carbide Single Point is a precision internal thread milling tool designed for small diameter work. Built for CNC machining, it enables clean, accurate ISO M1 x 0. 25 and 0 80 UNF threads in tight spaces. Thread milling type: Full profile internal thread mill designed for robust, accurate internal threading in hard to reach locations. Supported thread sizes: ISO metric M1 x 0. 25 and 0 80 UNF threads, covering ultra small to fine