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: ISO/TC 29/SC 9 Tools with defined cutting edges, holding tools, cutting items, adaptive items and interfaces
- ICS :
- 25.100.30 Drills, countersinks, reamers
ISO 521:1975Stage: 95.99
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