Here is some info on the 32mm system. Note that the distance of the front vertical row, from the face of the cabinet, is specified. And the distance between the front and rear vertical rows is specified as an even multiple of 32mm. This is how they ensure that something like a drawer rail will mount in.
Screws: http://www.hafele.com/us/external/ca...rs/447-462.pdf ( see page 14 of the pdf ) they are called Varianta screws.