There are a variety of materials that cannot be formed at ambient temperature due to the risk of cracks or abnormal tool wear – causing the production to be unprofitable. However, through the use of induction heaters, capable of warming up parts of screws, it is possible to form such materials – whilst still obtaining the right geometrical quality of the part and ensuring normal tool wear.(…)
via Unmistakeable Ingramatic forming design | Fastener + Fixing Magazine.