These caps have one O-ring each. Slip a very thin piece of SS or metal foil in between the cap and the hole it is in. The cap will come out far enough to pry with a small screwdriver inserted into the O-ring groove. There are two bolts but that's as far as I got. My iMac sits on the kitchen counter and the cabinet skirt above, blocks the upper 1/4 of the screen. Thats why I need to lower it. Can you help me? The bolt has two flats on it on opposite sides. This tells me that it can be held on these flats without damaging the threads, and then unscrewed? The nut which goes on this bolt is used to adjust the tension on the swivel of the hinge. These flats allow you to remove this bolt but I will have to make a tool to allow me to do this. Also what about the other bolt? It seems to be a bolt with a cone shaped head and a threaded hole. It this to screw in a pulling bolt?

@danj Dan, you say its a lot of work to remove the stand from the M1 iMac? I tried to but ran into a huge problem I cannot overcome yet. I contacted Apple Canada several times this afternoon and all I got was to ask the Genius department to install a VESA mount adaptor. I know there is a way to remove the stand because it was put there by technicians and engineers designed it. Can you help me? The bolt has two flats on it on opposite sides. This tells me that it can be held on these flats without damaging the threads, and then unscrewed? The nut which goes on this bolt is used to adjust the tension on the swivel of the hinge. These flats allow you to remove this bolt but I will have to make a tool to allow me to do this. Also what about the other bolt? It seems to be a bolt with a cone shaped head and a threaded hole. It this to screw in a pulling bolt? I forgot to tell you Dan, I plan on setting this monitor/iMac in a pair of desk top cellphone holders because this iMac sits on a kitchen counter and the...