I just bought one of these Threaded Insert Riveter Kits,
http://www.harborfreight.com/45-piece-threaded-insert-riveter-kit-1210.html and am using it to do some mods on the HF Sand Blast Cabinet I bought earlier this summer. Just got around to putting it together.
The problem is I bought some of the Metric insert Nuts on Amazon and the tool only has the SAE Mandrels. I've found some metric Mandrelss on Amazon and Ebay that look to be the right size, but am not sure if they would fit this gun. I want to know if anyone else has one of these and if they found the correct Metric Mandrels that fit.