Starrett Micrometer Standard Set, 1″-3″, 3 Pcs, EDP 51897 – S234D

End Measuring Rod Set with Insulated Handle and Spherical Ends, 1″-3″, 3 Pieces

The S234D Standards Set is designed for checking and setting Starrett S436.1 and S436 Micrometer sets with 0-4″ range. These End Measuring Rods or “Standards” are also used on machine tools for comparing gages, checking precision measuring tools, for measuring parallel surfaces, and many other types of work. They are made of special tool steel in rod form with ends hardened and accurately lapped to a spherical radius. Rods or Standards are for checking and setting micrometers of 2″ to 4″ capacity.

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