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Overview
This standard applies for bright key steel (bright steel for the manufacturing of keys and parallel keys) in bars with square, rectangular or flat rectangular cross-sections and is an important basis for production quality of these steel products. The responsible German standardization committee is Subcommittee 21/1 "Maßnormen für Langerzeugnisse - Blankstahl" ("Dimensional standards for long products - Bright steel") of the Iron and Steel Standards Committee (FES).
Please get in touch with the relevant contact person at DIN if you have problems understanding the content of the standard or need advice on how to apply it.