ISO 521:1975
ISO 521:1975


Lays down only metric dimensions. For each type of reamer mentioned above ISO 521 gives two tables, one showing preferred sizes with corresponding dimensions and the other, a general table set out as functions of diameter steps. Provision is also made for tolerances on length, cutting diameters and the diameters of parallel shank.

General information 

  •  :  Withdrawn
     : 1975-09
  •  : 1
     : 5
  •  : ISO/TC 29/SC 9 Tools with defined cutting edges, holding tools, cutting items, adaptive items and interfaces
  •  :
    25.100.30 Drills, countersinks, reamers

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