Free
Dynamix ToolsFor Machinists, By Machinists.
Everything a precision machinist needs — in one fast tool.
14
GD&T symbols
80+
Thread sizes
8
Calculators
Overview
Why it exists
01
Calculators
True position, speeds & feeds, tap drill, thread calculator, bolt circle, height over ball, and more.
02
Materials library
24+ material profiles with speeds, feeds, and finishing notes for the shop floor.
03
GD&T reference
14 GD&T symbols explained simply — form, profile, orientation, location, and runout.
04
Free to use
No account required. Built from the shop floor up for machinists, by machinists.
Ready to go deeper?
14 GD&T symbols, 80+ thread sizes, 8 calculators, 24+ material profiles — everything a precision machinist needs.