Specification for internal micrometers (including stick micrometers) Ingestion-build-47182 Compliance with the requirements of

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Specification for internal micrometers (including stick micrometers) Ingestion-build-47182 Compliance with the requirements of1 Scope This standard specifies requirements for internal micrometers comprising a measuring head, extension rods with or without spacing collars, and, in the smaller sizes, a handle. Provision is made for three sizes of measuring heads, in both metric and inch units, as shown in Table 1 and Table 2. NOTE Attention is drawn to the fact that metric dimensions are not necessarily direct conversions of the imperial dimensions. Table 1 Measuring heads