The Siem Tool TL6490 is a 130° solid carbide step drill 10mm cut diam 3 flute 102mm OAL. It is used on a machine tool to cut, form, or hold threads, bores, or material stock to a precise dimension. Key specifications noted on this listing include 3 Flute. It is commonly used in CNC and manual machining, metal fabrication, and tool-and-die work.
