Platinum16 ''So I just get my 2020 Prusa i3 from folgertech and was wondering if anyone else had problems with connecting the sk8s to the frame? It says to use m5x8mm but they aren't long enough... Any thoughts?'' I just started assembling my 2020 today and, yes, the 8mm bolts are too short for the SK8's. I countersunk the holes with a 3/8" drill bit about 2-3mm and then had enough length toby tjnamtiw - Prusa i3 and variants