This standard specifies the technical requirements, inspection methods, acceptance rules, marking, packaging and storage of fastener cold heading molds. This standard is applicable to cold heading molds for fasteners produced by various automatic cold heading machines.
JB/T 4213-1996 history
2014JB/T 4213-2014 Cold heading dies for fasteners.Specifications
1996JB/T 4213-1996 Mold for cold heading fasteners Technical conditions