ASME B 18.12-2020 pdf free

10-12-2020 comment

ASME B 18.12-2020 pdf free download.Glossary of Terms for Mechanical Fasteners.The size of this pdf file is 20.6M.
ASME B 18.12-2020 is as summary of nomenclature and terminology currently used to define and/or describe mechanical fasteners, related characteristics, and the manufacturing processes that produce these products. Utilization of these terms by manufacturers and consumers is intended to reduce or eliminate confusion and serve as a sound basis for communication.
ASME B 18.12-2020 provides clearly defined identification of fastener product families grouped by product type (such as internally or externally threaded fasteners) to fully understand differences between fasteners such as screws and bolts.
This Standard is a summary of mechanical fastener terminology, related characteristics, and manufacture.
(a) Fastener: A fastener is a mechanical device designed specifically to hold, join, couple, assemble, or maintain equilibrium of single or multiple components. The resulting assembly may function dynamically or statically as a primary or secondary component of a mechanism or structure. Fasteners are used in just about every mechanical assembly, and they have been designed to meet the needs of products ranging from wristwatches to the space shuttle. Each fastener is produced with the degree of built-in precision and engineering capability needed to ensure adequate, sound service under preestablished environmental conditions.
(b Bolts, Studs, Screws, Nuts, Washers, Rivets, Pins, and Custom-Formed Parts. These are the general product families used to classify mechanical fasteners. Within each product family are numerous fasteners whose names either conform to the technical language of a national standard or relate to their original applications, e.g,”stove bolt”or”carriage bolt. The names given to fasteners appear to be as limitless as the imaginations of their designers. While many fasteners may look alike, each has defined engineered capabilities based upon its intended application.

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