Noticed that stepperonline added the full-cut steppers as their own products.
The specs of these steppers seem identical from what I can see (apart from the shaft). I just ordered a bunch of them so shame on me if I ordered the "wrong" steppers ;)
X/Y Stepper motor: https://www.omc-stepperonline.com/nema-17-stepper-motor/nema-17-bipolar-0-9deg-46ncm-65-1oz-in-2a-2-8v-42x42x48mm-4-wires-full-d-cut-shaft.html?limit=100
Z stepper motors: https://www.omc-stepperonline.com/nema-17-stepper-motor/nema-17-bipolar-59ncm-84oz-in-2a-42x48mm-4-wires-w-1m-cable-and-connector-full-d-cut-shaft.html?limit=100
Extruder stepper motor: was already a model with full d-cut shaft