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standard by International Organization for Standardization, 09/01/1985
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Specifies classes of dimensional tolerances and test methods for the measurement of dimensions. Defines covered rollers as cylindrical cores, generally of metal, with a cover of rubber or plastics for particular use. They are manufactured in a wide variety of sizes and hardness grades depending on the intended use. - Part 1 and 2 of this standard deal with the requirements for hardness, and the surface characteristics.