need to replace extruder socket set screw M3x25
 
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[Solved] need to replace extruder socket set screw M3x25  

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MarkAusTX
(@markaustx)
Active Member
need to replace extruder socket set screw M3x25

I need to replace the extruder socket set screw M3x25, I was setting up the MMU3 and it slipped out of my hand and can't find it.  I even used a dust mop to sweep the floor.  didn't find it but the floor hasn't looked better.

Best Answer by Conrad:

Unfortunately, local stores here never stock metric hardware below about M5. You might find something at a hobby shop that caters to RC stuff. Otherwise, McMaster Carr, Amazon or maybe Fastenal would have them.

Posted : 14/05/2026 11:31 pm
Conrad
(@conrad-2)
Reputable Member
RE: need to replace extruder socket set screw M3x25

Unfortunately, local stores here never stock metric hardware below about M5. You might find something at a hobby shop that caters to RC stuff. Otherwise, McMaster Carr, Amazon or maybe Fastenal would have them.

Posted : 15/05/2026 2:46 pm
1 people liked
Diem
 Diem
(@diem)
Illustrious Member

I find a large magnet invaluable for retrieving most escaping parts...

Cheerio,

Posted : 15/05/2026 11:50 pm
MarkAusTX
(@markaustx)
Active Member
Topic starter answered:
RE: need to replace extruder socket set screw M3x25

I tried that as I have a magnet to sweep the ground for nails and such. when doing the MMU3 setup I noticed that almost all the screws were not magnetic.  I was able to find them at McMaster Carr as suggested above and since it's here in Texas only will take a day to get here.  Thanks for the suggestion. 

Posted : 16/05/2026 5:26 pm
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