1. Introduction This is finishing the only surface finish process for metal which cold forms the top layer of the material instead to remove chips. 2. Process Fig. 1 Fig. 1 shows the burnishing process at the working point between tool and workpiece. One or several rollers are pressed against the workpiece with the nearly perpendicular force (burnishing force). This generates a high compressive stress in the piece of the surface profile, which plastically forms the top layer. The material volume of the peaks is displaced into the zones of lower compressive stress (the valleys). This is shown in fig. 2.		Fig. 2 Fig. 3 shows the typical topography of turned surface. It is the true profile of a workpiece turned with a typical feed rate of 0,25 mm with a cutter radius of 0,4 mm. This surface shows a roughness of Rz about 20 µm and is a surface optimal for roller burnishing. There is a wide spread opinion, saying roller burnishing bends the peaks laying them over the valleys. This would mean there is a top layer of material which has no metallic bond to the base material. Fig. 3 shows the progressing process of the surface forming and prove the above opinion is wrong. fig. 3