ISO 3438:1975
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ISO 3438:1975
8757

Estado : Retirada

Esta norma ha sido revisada por ISO 3438:2003

Resumen

Lays down only metric dimensions, which are the only recommended dimensions in the future for subland twist drills. The drills have been designed to produce holes prior to tapping metric threads over a selected range of M 8 to M 30. Unless otherwise stated, these drills will be rigth-hand cutting. Supplements ISO 2306.

Informaciones generales

  •  : Retirada
     : 1975-09
    : Retirada de la Norma Internacional [95.99]
  •  : 1
     : 1
  • ISO/TC 29
    25.100.30 
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