It is quite popular and can be used with self-tapping screws or merely threaded to take a machine screw.
You can drill, weld, stamp, bend, cut, and deep draw 6061 aluminum grade quite easily using cold working methods when in the annealed state.
Here, we outline the various aluminium window opening options. Please bear in mind that brands do not offer all these types of aluminium window openings. You can contact us for information if there’s a particular window opening you’re after.