Homo treatment (steam treatment)
Creates aFe3O4(black rust) film on the surface of the tool
| < characteristics> | 
|---|
| Blue-black color | 
![]()  | 
 
| < characteristics> | 
| • Retention of cutting fluid due to porosity. Suppresses frictional heat ・Prevention of welding and seizure between the tap and the workpiece material  | 
 
| < Suitable Materials> | 
| ・Material that is prone to welding ⇒ Stainless Steel and Cast Steel ・Carbon steel for mechanical structures (~S35C) ⇒ Nickel and chromium steels  | 
 
