Variations on dimensions without tolerance values are according to DIN ISO 2768 The latest DIN standard sheet version applies to all parts made to DIN standards. Geometrical tolerances for features without individual tolerance indications. Tolerances for linear and angular dimensions without individual tolerance indications. ISO 2768 is intended to simplify drawing indications and it specifies general tolerances for linear and angular dimensions without individual tolerance indications in four tolerance classes. ![]() Variations on dimensions without tolerance values are according to ISO 2768, all tolerance limits are given in mm. ISO 2768 is mainly for parts that are manufactured by way of machining or removal of materials. ISO 2768 and derivative geometrical tolerance standards ISO 2768–mk and ISO 2768–fh are intended to simplify drawing specifications for mechanical tolerances.
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