Cold formed parts
Cold formed parts can be recognized by their surface structure. It shows that metal (wire, sheet metal) has been transformed into another shape under the influence of large forces. Products that are cold-formed therefore have slightly rounder geometries due to the production process. However, in recent years the manufacturers of multi-stage presses have increasingly worked on minimizing possible tolerance variants. For this reason, cold-formed parts can now be produced with almost the same geometric tolerances as turned parts.
The application consultants at KOHLHAGE Fasteners recommend cold forming as a production process only when large quantities have to be produced due to the higher tooling and set-up costs.