Screw holes on 635

[Hfuy]

Is there any reason I shouldn't open out the mounting holes on a CFA-635 to accept M3 fasteners? They're just fractionally too small right now. My concern is that, if it's a multi-layer board, I might end up shorting some power planes together or something unfortunate like that.

Can anyone at Crystalfontz advise?

Thanks,

H

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[CF Tech]

I would have to look at the PCB layout to verify it would be OK.

We did have a customer decide it was OK to drill out 1000 modules once (not a 635) only to find that there were problems.

Is there a specific reason you cannot use M2.5 hardware?

 

[Hfuy]

Yeah - I haven't got any, and it's hard to get, and I'm on a stringent deadline.

I'd appreciate it if you could take a gander at the PCB layout. Is it a multilayer board?

P

 

[CF Tech]

We really hate to have you drill out the holes. Even if there are no traces in danger, it still makes the module warranty void.

Have you considered 2-56 hardware? That is pretty common here.

http://www.radioshack.com/product/index.jsp?productId=2103300
http://www.smallparts.com/s?searchNodeID=16310161&keywords=2-56&x=0&y=0&Action=submit
http://www.gotbolts.com/
http://www.allmetricsmallparts.com/products/hardware.htm
http://www.ronlund.com/Merchant2/merchant.mv?Screen=CTGY&Store_Code=heli&Category_Code=M25

 

[Hfuy]

OK, I get the message. I'll order some 2.5.

H