1. Stud Manufacturer micro screws prepare wire, usually purchased wire;
 
　　2. Cold heading machine upsets the model;
　　
　　3. Use a thread rubbing machine to rub the required tooth particles.
　　
　　 4. Heat treatment (hardening);
　　
　　5. Fasteners Suppliers electroplating (final surface treatment of screws) general screw making machines are generally cold head machines and twisting machines.