This standard applies to blanks of intermediate plates made of cast iron and steel for dies with a diagonal arrangement.
GOST 21884-1983 Referenced Document
GOST 13130-1983 Post press tool sets for cold plastic working. Technical requirements
GOST 24643-1981 Basic norms of interchangeability. Tolerances of form and position of surfaces. Numerical values
GOST 21884-1983 history
1983GOST 21884-1983 Sheet stamping dies. Intermediate plates-blanks for dies with diagonally positioned guide sliding assemblies. Design and dimensions