ToolSelector

Technical calculators

Choose a family to open only the calculators suited to the relevant machine and tool.

Choose a category

Each page contains only the calculators useful for the selected family.

CNC and router-bit calculators

RPM, feed rate, chip load, cutting speed, usable length, collet and material / tool compatibility.

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Drilling calculators

Drill RPM, cutting speed, usable drilling depth and chuck capacity.

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Grinding-disc calculators

Maximum RPM, diameter, bore, flange and peripheral-speed checks.

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Saw-blade calculators

Maximum RPM, diameter, bore, arbor and peripheral-speed checks.

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Abrasive calculators

Grit-selection guidance by material and sanding goal, with an indicative progression and clearly stated limits.

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Accessory calculators

ER11 / ER20 toolholding compatibility check based on shank diameter and the actual collet used.

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Technical conversions

Convert millimetres and inches, m/min and SFM, mm/min and in/min.

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Important limits

These calculators provide mathematical checks and starting points. They never replace manufacturer data, mounting verification, guards or conservative testing.