About
What is Tooldur?
Tooldur makes engineering calculations and technical manufacturing notes easier to access.
Purpose
Provide free, fast and practical technical tools.
Engineering calculatorsPractical calculators for tolerances, keyways, tap drills, bolt torque, sheet metal and unit conversion.
TooldurCADA lightweight desktop assistant for machine designers and SOLIDWORKS users.
Technical notesCopy-ready technical drawing notes for manufacturing, surfaces, coatings and assembly.
Project trackingA simple project and task tracking area for technical work.