Povučen
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.
POVUČEN
ISO 521:1975
95.99
Povučen
26. 9. 2011.
OBJAVLJEN
ISO 521:2011