Awesome - yes - that's what I need. How flat are they? 0.4mm ish? What drill size will they work with on the PCB?
The pins are 0.64 x 0.4. The square ones are 0.64 x 0.6
Excellent - thanks TK for confirming - and thanks GB for pointing them out. Seems like this is the best way forward and I assume they can be obtained quite economically from the likes of LCSC - I'll go shopping

TK - is that for a PLA replacement? I've got a pile of C64's that I need to finish working through - I've got most up and running from memory. At least one required a PLA - I need a SID for one or two of them from memory.
Technically these should fit in a 0.8mm drill hole - datasheet seems to recommend 1.02mm. I dont suppose it really matters - a tighter fit helps keep them straight I suppose, while assembling them.