PCD and CNC code generator
Calculate coordinates for holes on a bolt circle and generate example code for popular CNC controls.
Open generatorNCTune CNC Toolbox
Practical tools for everyday CNC programming.
Free calculators, generators and tools for CNC programmers. No sign-in, installation or transfer of production data.
Available tools
Coordinates, geometry, code analysis and tool orientation in one place.
Eight finished tools run free and locally in your browser, with no login or production-data upload.
CNC tapping calculator
Calculate synchronized feed, pitch, TPI, approximate tap drill and travel time for metric and imperial threads.
Open calculatorChamfer and countersink calculator
Calculate edge-chamfer depth, hole-countersink geometry and chamfer-mill plunge including a flat tool tip.
Open calculatorScallop height calculator
Choose stepover from theoretical ball-end cusp height or calculate height from stepover.
Open toolCYCLE800 decoder
Split a Siemens CYCLE800 call into named parameters and a readable interpretation.
Open toolNC Code Checker
Check basic structure, modal states and common oversights in an NC program.
Open toolEngraving generator
Create a simple single-line marking path and example ISO code.
Open tool5-axis vector tools
Convert IJK vectors, tilt, azimuth and angles between orientations.
Open toolCustom tools
Need a generator, macro or postprocessor tailored to your machine?
NCTune develops postprocessors, automation and dedicated tools for Siemens NX CAM and production environments.