Here you go.
Instead of the standard machine threads you could draw the Whitworth profile instead.
I noticed your model has units set to Architectural. I would suggest Decimal–Meters. Treat inches as meters while modeling. So 1 inch is modeled as 1 meter. That helps to avoid issues with tiny faces.
I don’t recall modeling Whitworth threads but here are a few examples of others.
Common machine threads:
Square:
Acme:
Buttress:
