Knurling Speed & Feed Calculator

What this tool does

Calculates recommended RPM and feed for knurling operations (Form & Cut knurls), supporting both imperial (SFM/IPR) and metric modes. Includes presets for knurl type, material, coating, and rough/finish.

Knurl Type

Units

Mode

Material (search)

Workpiece Diameter

Feed per Revolution (optional)

Surface Speed (SFM / SMM)

Spindle RPM

Coating

Cut Type

Machine Max RPM

Machine Max Feed

Results

Computed RPM: —

Feedrate: —

Feed / Rev used: —

Safety

RPM status: Not calculated

Feed status: Not calculated

Notes:

—

Reference Data for Material

—

Disclaimer

The calculations and data provided by this tool are for informational and reference purposes only. It is not intended as a substitute for the technical judgment, expertise, or advice of a professional machinist or engineer.

Always verify all parameters (including speeds, feeds, and material selection) with official technical documentation, your machine's specifications, and applicable safety standards before performing any operation. The manufacturers and developers of this tool assume no responsibility for any errors, omissions, or damages resulting from the use of this information. Use at your own risk.