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What are the Mechanical Properties of a Fastener?

April 26, 2017fastener fasteners mechanical properties

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What are the Mechanical Properties of a Fastener?

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The mechanical properties of a finished cap screw or fastener are covered in the Society of Automotive Engineers (SAE) J429. This covers materials, methods of manufacturing, properties and testing requirements. Grade 2 is lower strength fasteners made of low carbon steel. Grade 5 is medium strength fasteners that achieve their strength from a heat treatment. Grade 8 is the highest strength in the standard inch series and made from alloy steels. Standard mechanical tests are performed in accredited laboratories to ensure proper properties are achieved.