The American Society for Testing and Materials is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services.


The American Association of State Highway and Transportation Officials is an organization that sets standards for highway design and construction. Most AASHTO standards are direct equivalents to existing ASTM standards.


SAE International (Society of Automotive Engineers) is a standards development organization with fastener specifications that apply to the aerospace, automotive, and commercial vehicle industries. SAE bolts are also used in machinery, equipment, and OEM applications.


Canadian Standards Association