As you say the spacer studs are too long for the locking wheel nuts, so what's left of the broken nut won't have seated on the wheel as it's bottomed out taking the top off. A socket will get that off, as it won't be tight on the thread.
Came across a great car care offer
https://www.car-chem.com/shop/the-collaboration-mystery-box
Description
THE COLLABORATION MYSTERY BOX IS HERE!
Car-Chem, Valeting Products and Super Polish Pro Collaboration Mystery box allows you to get 6 MYSTERY bottles from across the three brands at one incredible price!
6 x 500ml for only £9.99
6 x 1 Litre for only £16.99
Be rude not too!!
Cheers Adrian, really enjoying it - gives you that can do attitude. Nice one for the heads up with names, il take a look see.
How long have you been doing it and how did you come across biohacking?