As far as diameter tolerance, ovality, straightness and surface quality are concerned, centreless ground bars are far superior to all other executions of round bars. In most instances, the product can be used directly, as axles for example, with little or no need for further processing.

A ground surface is sensitive to damp and corrodes easily. It is for this reason that newly ground bars are oiled to prevent rusting during transport and stocking. Even so, centreless-ground bars are not amenable to storage outdoors.