Specification for dimensional tolerances for metal and metal alloy castings Ingestion-build-67170 The annexes have been updated

The annexes have been updated and three new annexes added covering traffic control systems

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Specification for dimensional tolerances for metal and metal alloy castings Ingestion-build-67170 The annexes have been updatedSpecification for dimensional tolerances for metal and metal alloy castings Executive summary Requirements for tolerance grades and required machining allowance grades for the dimensions of metal and metal alloy castings. Abstract This British Standard specifies a system of tolerance grades and required machining allowance grades for the dimensions of castings. It is applicable to the dimensions of cast metals and their alloys produced by various