Punching countersunk holes

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That's a cool hack. Does it work on mild steel as well ?

I use countersink drill bits. 8.3mm for M4 and 10.4mm for M5
 
Years ago someone posted a method involving a wrench, a screw , a nut and some washers. I remember it was very clever but I do not remember the method itself.

Cheers

Ian
 
Years ago someone posted a method involving a wrench, a screw , a nut and some washers. I remember it was very clever but I do not remember the method itself.

Cheers

Ian

The most important part he was using to bent the metal was this (not sure what's called). He would attach it to the inner side of the metal plate and use the wrench and the bolts to bent it. Sorry I can't explain it any better.
 

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