ISO 521-1975 标准详情
- 标准号:ISO 521-1975
- 中文标题:直柄或莫氏锥柄机用铰刀
- 英文标题:Machine chucking reamers with parallel shanks or Morse taper shanks
- 标准类别:国际标准化组织标准ISO
- 发布日期:1975-09
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 mad
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