Free tools for your CNC shop

Three quick tools a machinist reaches for every day. Feeds & speeds, a thread chart with tap-drill sizes, and a chamfer-correction calculator. Everything runs right in the browser.

Feeds & speeds

RPM and feed from material, operation, diameter and flute count.

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Thread chart

Pitch, tap drill and diameters for M, metric fine, UNC and UNF.

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Chamfer correction

Tool-length correction from measured vs. desired chamfer.

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Run the whole shop, not just the math

Alatis tracks every tool, machine and stock level in your CNC shop. Try it free, no card required.

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