Originally Posted by SeriesLandy
I would agree, I bought UNC by mistake, welded them in and what a hassle to remove once it was put in.
Ah - I was thinking i'd have to buy some 20mm round bar and drill then tap it with a 7/16ths thread. Is it acceptable to weld nuts into the plates on the rollbar cross bar then? I'd assumed that it is specced into the book to a certain length (45mm i think) for an IVA related reason...