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.
Status : WithdrawnPublication date : 1975-09
Edition : 1Number of pages : 5
Technical Committee:Tools with defined cutting edges, holding tools, cutting items, adaptive items and interfaces