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Why not use pressed-in standoffs then? http://catalog.pemnet.com/category/blind-threaded-standoffs-types-bso-bsoa-bsosThat way they're part of the case, so you don't have to source them separately and the end users can't accidentally lose them. Plus you don't have to leave space on the backside of the motherboard tray for the threads to stick out.
Why not use pressed-in standoffs then? http://catalog.pemnet.com/category/blind-threaded-standoffs-types-bso-bsoa-bsos
That way they're part of the case, so you don't have to source them separately and the end users can't accidentally lose them. Plus you don't have to leave space on the backside of the motherboard tray for the threads to stick out.
