iMachinist is a simple to use CNC calculator app that calculates for you the cuttings speed, RPM, feed rate and more for your milling, drilling and turning operations.

iMachinist also includes a database for Hole and Shaft Tolerances and different Threads.

Threads Data:

- Outer Diameter (max/min)
- Pitch Diameter (max/min)
- Core Diameter (max/min)
- Thread Height (max/min)

Tolerance Data:

- Zone (Shaft/Hole)
- Grade (Shaft/Hole)
- Diameter (Shaft/Hole)

Cutting Calculator:

- Tool Diameter
- Cutting Speed
- Spindle Speed
- Number of Teeth
- Feed per Tooth
- Feed Rate