[time-nuts] FE-5680A - screws in my unit are 1/16" hex

Peter Gottlieb nerd at verizon.net
Thu Jan 19 07:35:13 EST 2012

We used those Rivnuts at APC to attach to aluminum heatsinks.  Automatic feed, 
self tapping (actually more like forming) on the production line, yet 
repairable.  Many versions have a conical head so it is like having a Belleville 
washer in there, which is great for an electrical connection.

Tiny little suckers, aren't they?  Actually a lot of engineering went into their 


On 1/18/2012 10:42 PM, Paul F. Sehorne wrote:
> Peter,
> After your message below, I took another look at the screws in my FE-5680A.  
> EGG ON MY FACE.   They are hex and 1/16" works just fine.  I also tried 1.5mm 
> (too small) and 2mm (too large).
> Paul
> On 1/18/2012 9:29 PM, Peter Gottlieb wrote:
>> Looked at mine with a loupe as well and they are definitely hex.
>> That would seem to establish that they use at least two different kinds of 
>> fasteners.
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