Ground in diamond. It is made various prifily and diameters. As a rule the drawing or preparation are provided by the customer.

It is used at production and repair of the fuel equipment and hydraulics. On a photo it is represented ground in, applied at repair of the fuel equipment on selkhoztekhnikudiametry 4,5, AC6 50/40 diamond. In production of the gidravrichesky equipment pritira of various design are applied. At the same time micropowders by granularity 28/20 and are used below.