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tre4b
(@tre4b)
Eminent Member
Bondtech gear grub screw

I'm having a challenge with the bondtech drive gear coming loose.  I've tried to tighten it but I think the grub screw may have a damaged hex socket and thus never fully tightens.

Can anybody tell me the specs of the grub screw so that I can source a replacement to see if that resolves the problem without buying a whole new gear set as being UK based shipping costs silly money right now.

Posted : 17/07/2021 7:19 am
cwbullet
(@cwbullet)
Illustrious Member
answer

Welcome to the forum:

I did not know, but Google did:

https://www.bondtech.se/product/setscrews/

I hope this helps.  

--------------------
Chuck H
3D Printer Review Blog...
Posted : 17/07/2021 9:22 am
tre4b liked
Ringarn67
(@ringarn67)
Reputable Member
RE: Bondtech gear grub screw

@cwbullet

There is three options, M3x2, M3x3, M4x3?! 🤔 

 

@tre4b

M3x3! 👍 

Prusa I3 MK3S+ (kit dec -20), PrusaSlicer, Fusion 360, Windows 10...
Posted : 17/07/2021 12:34 pm
tre4b liked
cwbullet
(@cwbullet)
Illustrious Member
RE: Answer

 

Posted by: @ringarn67

@cwbullet

There is three options, M3x2, M3x3, M4x3?! 🤔 

 

@tre4b

M3x3! 👍 

Yes and the answer is there.  The key is know which one you are replacing.  

--------------------
Chuck H
3D Printer Review Blog...
Posted : 17/07/2021 1:20 pm
tre4b liked
tre4b
(@tre4b)
Eminent Member
Topic starter answered:
ta

I found the bondtech ones but could only buy the whole set for £30 seemed a lot of money.  Thanks for the help though.

Posted : 03/08/2021 12:58 pm
Dan Rogers
(@dan-rogers)
Noble Member
Try grub screws from X or Y axis spares

I bought a set of spare pulleys when I did the moons stepper motor upgrade - you can get 6 pulleys for about 5 bucks.  Each of them has 2 grub screws in them that should be a match.  They aren't special either - just search setscrews M3x2mm in any tool catalog and you should be able to get a hundred of them pretty cheap.

 

Posted : 03/08/2021 1:08 pm
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