Always include the projection symbol on your drawing sheet (ANSI or ISO). This single symbol prevents 90% of interpretation errors between teams.
Elias swallowed hard. "So, what do I do? Redraw the flange?" iso vs ansi solidworks
Silas spun the model of the flange. "Look at the Hole Wizard feature. In the ANSI standard, this is a 'Tapped Hole.' But if I edit this feature while the document properties are set to ISO, SolidWorks tries to force an ISO thread profile onto an inch-based geometry." Always include the projection symbol on your drawing