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ANSI (American National Standards Institute)
Founded in 1918, ANSI has served as an administrator and coordinator of the United States private sector voluntary standardization system. ANSI promotes the use of U.S. standards internationally, advocates U.S. technical positions in international and regional standards organizations, and encourages the adoption of internal standards as national standards where these meet the needs of the user community. ANSI does not itself develop American National Standards; rather it facilitates development by establishing consensus among ANSI member associations such as ASTM, SAE, ASME, etc.

ISO(The International Organization of Standardization)
ISO is a specialized “multinational and multicultural international organization with some 120 member-countries governed by consensus and spanning the breadth of global technology.” The objective of ISO is to promote the development of standardization and related activities throughout the world. ISO brings together the interests of users and consumers, producers, governments, and the scientific community in the formation of international standards that cover everything from screw threads to surgical implants ISO publishes standards through its 120 member-countries and more than 800 standards developing committees and subcommittees supported by another 2,000 or so working groups.

DIN (Deutsches Institute for Normung, or The German Engineering Society)
DIN is a registered association with its main office in Berlin. It is not a government agency, but serves as a round table around which representatives for the manufacturing industries, consumer industries, consumer organizations, commerce, service industries, science, or anyone with an interest in standardization gather to determine the state of the art and record it in the form of German standards. DIN standards are technical rules that promote rationalization, quality assurance, safety and environmental protection, as well as improving communication between industry, technology, science, government, and the public.

BSI(British Standard Institute)
BSI British Standards is the UK's National Standards Body (NSB) and was the world's first. It represents UK economic and social interests across all of the European and international standards organizations and through the development of business information solutions for British organizations of all sizes and sectors. BSI British Standards works with manufacturing and service industries, businesses, governments and consumers to facilitate the production of British, European and international standards.

JIS(Japanese Industrial Institute)
JIS plays an important role in terms of metric hardware standards. Many JIS standards are based on DIN standards : however, some of them may be modified to meet the needs they have in Japan(typically used for electronic equipment in the US).

Fasteners Standards
Standards are documented agreements containing technical specifications and other precise criteria to be used as constant and define characteristics that ensure that materials, products, processes, and services are fit to their purpose. Without standards there would be no basis of comparison or communication. Standards serve to make comparing and understanding fasteners easier for everyone.

ASTM(The American Society for Testing and Materials)
ASTM is a scientific and technical organization formed for “the development of standards on characteristics and performance of materials, products, systems, and services as well as the promotion of related knowledge.” Through technical comities, ASTM publishes standard test methods, specification, practices, guides, classifications, and terminology. ASTM standards cover metals, paints, plastics, textiles, petroleum, construction, the environment, medical services, electronics, fasteners, and many other areas.

ASME(American Society of Mechanical Engineers)
Founded in 1880, ASME is an organization working to develop codes and standards for the engineering profession, the public, industry, and government. Currently, there are more than 600 standards published by ASME on topics such as screw threads, valves, floe measurement, and more.

SAE(The Society of Automotive Engineers)
Since its founding in 1905, SAE has been developing and implementing standards and safety specifically used in designing, building, maintaining, and operating self-propelled vehicles for use on land, sea, air, or space.

AFNOR( Association Francaise de Normalisation)
AFNOR is the French national organization for standardization and is that country's ISO member body.The Association AFNOR Standards Service contains the full text of all standards published by Association Francaise de Normalisation. It also included are the specifications of UTE (Union Technique d’ Electricite) and DTU (Document Technique Unifie) which have been adopted by AFNOR plus UTE Detail Specifications.

AISI( American Iron and Steel Institute)
The AISI XML Workgroup sponsors a 'Steel Industry XML Project' focused upon the design of XML-based specifications for business transactions in the steel industry. The workgroup has released draft versions of the AISI guidelines "with the intent of gathering input from interested parties. Phase One project activities include a data requirements review and element mapping for the Shipping Notice, Material Release, Inventory Advice, Material Receipt, Test Report, Customer Purchase Order, Service Order, and Vendor Order transactions; construction of an XML steel industry glossary of terms for document usage; Construction of DTDs for reviewed transactions."

UNI(Ente Nazionale Italiane de Unificazione)
UNI is a Italian Organization for Standardization. It is a private non-profit association whose more than 7000 members include companies, freelance professionals, associations, scientific and academic institutions, and bodies connected to the public administration.UNI carries out standardization activities in all industrial, commercial and tertiary sectors, with the exception of the electrical and electrotechnical sectors which are the competence of the Italian Electrotechnical Committee, CEI.

VDI(Verein Deutscher Ingenieure, Dusseldorf)
VDI (English: Association of German Engineers) is an organization of 126,000 engineers and natural scientists. Established in 1856, the VDI is today the largest engineering association in Western Europe. The role of the VDI in Germany is comparable to that of the American Society of Civil Engineers (ASCE) in the United States barring the broader field of work of the VDI. The VDI is not a union. The association promotes the advancement of technology and represents the interests of engineers and of engineering businesses in Germany.

EN(European Organization for Standardization)
This organization produces European standards used for the Common European Market. They have adopted the existing ISO standards.

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