Low Cost Rack Accessories at MCM

Over here racks used to use M6 cage nuts but at some point many years ago this changed to M5 so beware if offered old S/H rack cases!

I used to build rack network kit and USA stuff came with #10 UNC bolts IIRC? These are very close to M5 but not quite!

For audio work you can buy 'cage nuts' that have a plastic housing and a brass threaded bush and come with insulating bolt washers, this insulates each unit from the rack frame and other units and is invaluable for avoiding earth loops. NATURALLY! Each piece of kit must have its chassis safety earthed!

There are two versions in UK 'Rack Snaps' and 'HumFrees'

Dave.
 
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