International standards are herein listed and compared to major industrial (63% of global GDP) national standards throughout this book (see Fig. 1-1). American National Standards for metric products are the basis for all tables in this publication when available. Pertinent global ISO (International Organization for Standardization) standard numbers are shown for each product, and related ISO and national standards are shown with hyperlinks to the standards organizations at the end of each chapter. Acronyms, standard prefixes, name and addresses as well as email and telephone numbers to a number of important national and international standards sources are shown in Table 1-1. Key standards groupings with links to ISO search engines are shown in Tables 1-2 and 1-3. ISO Members Worldwide list provide contact information for standards organization in each country.
A strong emphasis on cost savings and rationalization of parts and material has been stressed; Chapter 4, Preferred Numbers, provides detailed descriptions of the best tools to help rationalize metric sizes and products.