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NF ISO 522:2021
Current
The latest, up-to-date edition.
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Special tolerances for reamers
Hardcopy
English - French
01-09-2021
This International Standard specifies the special tolerances to be applied to the diameter of the cutting portion of the hand and machine reamers covered by ISO/R 236, Hand reamers and long fluted machine reamers, Morse taper shank, and ISO/R 521, Machine chucking reamers with parallel shanks or Morse taper shanks, when a grade of accuracy other than the standard stock grade (with m6 tolerance) provided for in these ISO Recommendations is required.
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