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GMW GMW25
Mechanical Properties and Material Requirements for Externally Threaded Fastenersstandard by General Motors Worldwide , 09/01/1999
1 Scope.
This specification specifies the mechanical properties and material requirements for externally threaded fasteners in nominal thread diameters of M39 in addition to the other specified details in IS0 898-898. 1.1:1988(E). This specification does not include 10.9 and 12.9 property classes of IS0 898-lis based upon IS0 898-1.