Use caps buttons with a diameter of 15 and 12.5 mm.
- Not recommended for very dense tissue (2-3 layers),
Shared cylinders parts and clampable in the press.

Guaranteed high strength clutch parts.

For thicker fabrics or several layers of the skin is also used hats buttons 15 и 12,5 mm.   
and aluminum denim carnations between them
Options:

a) two hats buttons with a diameter of 15 mm,

b) two hats buttons with a diameter of 12.5 mm,

C) hat button 15 mm and hat buttons with a diameter of 12.5 mm

Training details: we take aluminum denim carnations and slightly by about 1/3, with the help of a hammer driven it in a straw hat buttons with a diameter of 12.5 mm.                       
Then bocaraton bite them base carnation denim.        
 Bilateral hainichen ready for installation.  
The diagram position: Bottom nozzle caps with a diameter of 15 mm, top unijne part of the nozzle 12,5 mm is Possible and Vice versa. The result is the same. Set the details of our rivets in a pre-punched hole in the fabric ( leather, canvas and so on)

Hold. 
And get the result    Obverse and reverse   
P. S. - if you set the details of the buttons on a thick layer of fabric or leather as rivets, without installing aluminum rod that will get this result i.e. the parts among themselves are not connected. It is an additional rod, rasklinivanie, creates a strong connection details rivets.

Bilateral rivets manufacture of hats buttons with a diameter of 12.5 mm and hats of rivets diameter 9mm.   
Before installation, it is desirable that the tubular part of the button to expand slightly sharp cone
To install used the bottom nozzle for a button with a diameter of 12.5 mm
и верхнюю насадку для rivet диаметром 9мм 

 For double sided rivets from hats buttons with a diameter of 15mm used parts from bilateral rivets diameter 9 mm
When installing use the lower part of the nozzle for a button with a diameter of 15mm
and the upper part of the attachment rivets with a diameter of 9mm or blank   if not important view of the reverse side.
Get great result and rigid fixation of rivets.    (made in Russia)
Often a situation arises when it is necessary to establish two-way conventional rivets, and there is only one-sided.

Proceed as follows, two-sided rivets do one-sided.
Often it is necessary when repair handbags.

Bocaraton bite them jeans carnations. It turns out this design
Then a typical installation of the product.

The result