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Machine design calculations,
ready when you are
Fits, bolt torque, gears, shafts, bearings, keys and units — based on ISO, GB and VDI standards and classic textbook methods.
- 7 tools
- GB · ISO · VDI
- Runs in your browser
Tools
All calculations run locally in your browser. Values follow the cited standards and textbook methods — verify critical designs against the original sources.