Specification for hand operated square drive socket wrenches and accessories Ingestion-build-47553 Determination of chronic toxicity to

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Specification for hand operated square drive socket wrenches and accessories Ingestion-build-47553 Determination of chronic toxicity to1 Scope This British Standard specifies dimensional, testing and design requirements for hand operated square drivesocket wrenches and accessories. The across flats tolerances specified are in accordance with ISO 691: 1983.