CNC TOOLS is a free application for the CNC technology. Calculation: Cutting data about milling, turning, drilling. Thread information: METRIC (FINE/COAST), UNC, UNF. Engraving [ ]: CNC Engraving with output for the most CNC Controls (FANUC, SIEMENS, Okuma, Haas, DMG, ). [ ]. CNC TOOLS+ supports more functions. The display and operation is optimized for "smartphones".