ToolSelector
Drilling calculators
Drill RPM, cutting speed, usable drilling depth and chuck capacity.
Calculators in this category
Enter only values verified in your machine and tool documentation.
Drill RPM calculator
Calculate theoretical RPM from manufacturer cutting speed and drill diameter.
Cutting-speed calculator
From tool diameter and RPM.
Drill usable-depth check
Check that the usable drill length covers the required drilling depth.
Chuck capacity
Compare the drill shank diameter with the chuck capacity.
Important limits
These calculators provide mathematical checks and starting points. They never replace manufacturer data, mounting verification, guards or conservative testing.