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Terminal block screws
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Topic: Terminal block screws (Read 351 times)
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gaminn
Frequent Contributor
Posts: 342
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Terminal block screws
«
on:
June 12, 2024, 01:18:26 pm »
Hi,
any idea where to get screws like that? They come from this terminal block
https://www.phoenixcontact.com/en-pc/products/pcb-terminal-block-mkds-5-3-762-1704936
. I have tens of these blocks on PCBs with screws damaged or missing. Desoldering the block from PCB and replacing it completely is one way to go but much more easier would be if just the screws are replaced. Do you think they can be bought somewhere (other than buying the whole terminal blocks and harvesting screws from them)?
The screw is M3, total length 9 mm, the other side of the head (where it meets with the terminal block) is conical.
Thanks
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DTJ
Super Contributor
Posts: 1007
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Re: Terminal block screws
«
Reply #1 on:
June 12, 2024, 01:39:03 pm »
Similar to this?
https://www.phoenixcontact.com/en-lt/products/screw-contact-screw-m3x7-h1l-1209788
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gaminn
Frequent Contributor
Posts: 342
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Re: Terminal block screws
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Reply #2 on:
June 12, 2024, 01:48:39 pm »
Thanks. Maybe. It is not shown whether it has the conical part. The length of 7 mm should be OK if they measure it without the head. Unfortunately it seems the screw is hard to get.
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2N3055
Super Contributor
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Re: Terminal block screws
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Reply #3 on:
June 12, 2024, 02:14:29 pm »
Replace terminals.
Damaged screws mean abuse of the block. You cannot easily tell in what shape inside is.
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"Just hard work is not enough - it must be applied sensibly."
Dr. Richard W. Hamming
gaminn
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Posts: 342
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Re: Terminal block screws
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Reply #4 on:
June 12, 2024, 02:22:05 pm »
Yes, if the screw are impossible to buy, I will replace the whole terminals. But to be honest, the terminals are OK, only the screws are missing or damaged because someone can't use the right screwdriver....
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