Designed for processing ID features such as the wrist pin holes in an automotive piston. The polygonal design mandrel produces a “peening” effect during the burnishing process to provide a highly precise, dense grained and hard finished surface.
Designed for processing ID features such as the wrist pin holes in an automotive piston. The polygonal design mandrel produces a “peening” effect during the burnishing process to provide a highly precise, dense grained and hard finished surface.