sports850 wrote:
OK , someone with first hand knowledge then . What do you use them on and how strong are they rated (well , up to what grade can they do in the normal , usable sizes ?) ?
Hmmm, not sure of actual technical specs, but using the M6 round nutserts (not as much 'torsional resistance' as the hexagonal type in a hexagonal hole) I can tighten M6 bolts (Stainless steel) down to almost 80 ft/lb with the torque wrench, before they 'twist' in the hole. They do take quite a bit to move when installed properly, and when using stainless or zinc coated nutserts. The aluminium ones (imperial sizes mostly i think)are a lot weaker so i have heard, never tried!
I think it would be very hard to 'pull them out' once installed. It would depend on the material you have installed it in, but I know when installed into a sheet of 1.2mm 445 grade stainless, you can rest a few hundred kg's weight 'pulling' on them, sheet bends a bit, but nutsert and bolt stay firm!
They are good stuff!
M