# ShaftLine DC

ShaftLine DC is an offline Android field tool by Anvilfield for shaft alignment. It helps millwrights key rim-and-face dial readings, subtract bracket sag, run the validity rule, calculate shim and slide moves, compare the as-left re-shoot against an RPM tolerance band, and export a Final Alignment Record.

Official app slug: shaftline-dc
Support: support@anvilfield.com
Privacy: https://anvilfield.com/shaftline-dc/privacy
Ratings: The app may ask once for a Google Play review after a saved PASS result. The prompt is optional and handled by Google Play.
Data deletion: Settings includes Clear local job data for saved machines, projects, readings, reports, and local review-prompt state.