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Drilling/Tapping standoff holes

post #1 of 6
Thread Starter 
The case I'm ordering only comes in a motherboard tray size incompatible with my motherboard. I will have to drill and tap the appropriate holes for my motherboard standoffs. What tools do I need to accomplish this?

The case is the mountain mods ascension, it comes with an HPTX size motherboard tray and my motherboard is SSI EEB.
post #2 of 6
The metal is too thin for threading so you will have to just drill clearance holes for the standoffs, use standoffs with extra long studs and secure them from behind with nuts and some Loctite. You could use threaded inserts but you need special tools to insert them, which are expensive. Regular rivet nuts have a thick flange that will space the MOBO further from the plate, which will wreck alignment with the rear I/O panel and PCI openings, and the threads are too deep inside the rivet nut for the standoffs to reach.
     
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post #3 of 6
You might not need to fasten every board mounting hole to the motherboard tray, but rather just attach spacers (female/female "standoffs") to/underneath the motherboard. thumb.gif
post #4 of 6
THe standard motherboard standoff is 6-32 thread size, so you will need to drill a 7/64 hole and tap it to 6-32.
 
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post #5 of 6
Thread Starter 
Quote:
Originally Posted by Spotswood View Post

You might not need to fasten every board mounting hole to the motherboard tray, but rather just attach spacers (female/female "standoffs") to/underneath the motherboard. thumb.gif

If there isnt a mounting hole where I put a spacer, wouldn't that cause a short?

This would work great because I'm mounting my motherboard horizontally anyways, so there isn't a lot of weight to support.
Edited by tCoLL - 3/2/16 at 8:28pm
post #6 of 6
Quote:
Originally Posted by tCoLL View Post

If there isnt a mounting hole where I put a spacer, wouldn't that cause a short?

This would work great because I'm mounting my motherboard horizontally anyways, so there isn't a lot of weight to support.

The spacer is fastened to just the motherboard's mounting hole.
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