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ISO 3438:2013

Subland twist drills for holes prior to tapping screw threads

Standard Details

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
Standard Type: Main
Document No: ISO 3438:2013
Document Year: 2013
Pages: 5
Edition: 3
  • Section Volume:
  • ISO/TC 29/SC 9. Tools with defined cutting edges, holding tools, cutting items, adaptive items and interfaces

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ISO 3438:2013

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