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Need better QA on fasteners  

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johne.erhardT91234
(@johne-erhardt91234)
Miembro
Need better QA on fasteners

M3 screw held upright by pliers. Hex for tools is barely formed

Here’s the worst found so far. I also have a number of m3x6 where several Allen tools won’t go into what looks like an otherwise okay screw head. In some cases I can pound the tool in. some I can’t. has anyone else experienced this fasteners supplied to Prusa lately?

Respondido : 03/08/2025 7:29 pm
Jürgen
(@jurgen-7)
Noble Member
RE: Need better QA on fasteners

If I remember correctly, there was a single dud screw in my Core One kit. That's par for the course and covered by the spares which Prusa includes in the kit.

It's probably not economical to establish a 100% quality control in the production of screws -- but the failure rate you describe seems excessive. Hopefully just a bad lot? One would expect that the Prusa assembly technicians notice this pretty quickly and alert their manufacturing engineers and buyers.

 

Respondido : 06/08/2025 5:49 am
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