ISO 3438:1975
w
ISO 3438:1975
8757

Status : Withdrawn

This standard has been revised by ISO 3438:2003

Abstract

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.

General information

  •  : Withdrawn
     : 1975-09
    : Withdrawal of International Standard [95.99]
  •  : 1
     : 1
  • ISO/TC 29
    25.100.30 
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