Q... Glossary of Fastener and Fixing Terminology






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The Fastener Quality Act USA Public Law 101-592, was signed by President Bush on November 16, 1990. Since its enactment the Fastener Quality Act has been amended three times to further clarify and define the requirements of the original Act. The Act protects the public safety by requiring that certain fasteners sold in commerce conform to the specifications to which they are represented to be manufactured and providing for accreditation of laboratories engaged in fastener testing and certification in accordance with standardized methods. The Office of Export Enforcement enforces the FQA on behalf of the Commerce Department's National Institute of Standards and Technologies (NIST). 


Quenching, a type of heat treating, the rapid cooling of steel to obtain certain material properties. It can reduce crystallinity and thereby increasing the hardness of alloys. It is most commonly used to harden steel by introducing martensite, in which case the steel must be rapidly cooled. 





 quench and quality act