Joints are cut from 1/2" aluminum 6061. Initially I set up the jobs for two parts at a time. Subsequently I lost a part to a broken tap, and switched to single part cutting workflow.
Feeds and speeds are generally 20ipm/10ipm horizontal/vertical. Prefer the 1FL ZrN SQ.
After slotting. The unfinished part on the right has extra material removed by an offset error, and was subsequently re-cut after the hand tap broke inside it.