International Standard
ISO 3438:2013
Subland twist drills for holes prior to tapping screw threads
Reference number
ISO 3438:2013
Edition 3
2013-05
© ISO 2024
International Standard
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Published (Edition 3, 2013)
This standard was last reviewed and confirmed in 2019. Therefore this version remains current.

ISO 3438:2013

Format
Language
CHF 42
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Abstract

ISO 3438:2013 specifies the dimensions of subland twist drills with Morse taper shanks and cylindrical shanks for holes prior to tapping screw threads.

The drills are designed to produce holes prior to tapping metric threads (coarse pitch series) over a selected range of:

  • M8 to M30 for subland twist drills with Morse taper shanks;
  • M3 to M14 for subland twist drills with cylindrical shanks.

ISO 3438:2013 complements ISO 2306.

General information

  • Status
     : Published
    Publication date
     : 2013-05
    Stage
    : International Standard under systematic review [90.20]
  • Edition
     : 3
    Number of pages
     : 5
  • Technical Committee :
    ISO/TC 29/SC 9
    ICS :
    25.100.30 
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