Option a: Denim button on sustainable stem from cast metal.

Broke off base carnation denim.  

Denim button looks like this. Broke denim wholesale. 
Gently hold down the button pliers and carefully drilled the drill remains denim cloves.

   Drill Ø 2 mm.    The result remains carnation denim

  Denim button ready to re-install.

Do the same thing with the button in a metal shell with a broken mount.  
 

The core denim cloves inside of the leg buttons. The drilled his electric drill.

 
 This is the result. 
 

If the internal opening was a bit larger than denim carnations,

with a toothpick or a match filled hole  
or use the item from polytene Ø 9 mm. 
Then carefully set the button to the desired location. 
 

If denim button just fell out due to destruction of fabrics and denim carnations left inside the buttons, proceed as follow : 

A. Drilled old denim wholesale.    First the Kerner make a notch for the drill.  Hold down the button pliers and carefully drilled with an electric drill. 

Further, as described above.

B. laying out denim carnations with two diagonal cutters :
      One bacares works as a reference, the second as a lever 
Here is the result 

Next: set in the above way.

Note: you should Not use this method of removal carnation denim button-down with a broken leg, will get this result:
Buttons on a broken leg can only be restored using the electric drill.

Next, the installation of the above-described method.

Jeans buttons from cast metal with a through hole so as we drill, and depending on the diameter of the inner hole to be installed either on the part of polytene either tubular Jinsoo-golytely carnations 

The fact that compressing these items increase in volume and firmly fixed with a denim button.

In the absence of these details will have to use a simple denim nail   or    That is not desirable, as it does not guarantee a strong anchoring of jeans buttons.

 
Jeans buttons with a through hole made of thin metal, it is difficult to restore. Very carefully drill out the hole that would not touch the walls of the buttons.

Not much to hold the button, what would it not be corrupt. And so on, So in most cases it is easier to install a new button to restore the old one. But if you need to restore old jeans button, with this task You will successfully cope.

Note: For convenience, purchase side cutter with maximally flat cheeks.