[Anyone know where this piece goes???]

Hi and Welcome to the community,

This looks like the screw that holds the temp sensor and heater cartridge in the head.

The one on the left here:

 

Thanks a lot !!!

Yes it was that part, few days ago I change to Olsson Block and sure I forgot this little piece :S.

Again thanks Didier

[Anyone know where this piece goes???]

Hi guys, here Luis Cordoba from Prototipadora,

I just found this headless screw on the platform of my UM2 and I can't figure out where it goes???

Thanks in advance