Helical Flute Thread Mill: #4-40, Internal, 3 Flute, Solid Carbide MPN:102-00097

Our helical flute thread mill made from solid carbide ensures efficient machining operations within aerospace and medical industry where precision is key when it comes to screws and small fasteners due to its sharp edge which delivers perfect threads with every pass. Ideal for creating fine, exacting threads in difficult materials or hard-to-reach locations like aluminum & brass, our mill's 4-40 coarse thread makes it perfect for use in screw machines where accuracy matters the most while its 3 flute design reduces chatter & vibrations thus offering smooth machining operation from start to finish catering to tool & die makers looking for an all-inclusive solution without sacrificing precision.