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ISO 3438:2003

Subland twist drills with Morse taper shanks for holes prior to tapping screw threads

General information

Withdrawn from 02.05.2013
Directives or regulations
None

Standard history

Status
Date
Type
Name
02.05.2013
Main
Main
ISO 3438:1975
ISO 3438:2003 lays down the dimensions of subland twist drills with Morse taper shanks for holes prior to tapping screw threads. The drills have been designed to produce holes prior to tapping metric threads (coarse pitch series) over a selected range of M8 to M30. ISO 3438:2003 complements ISO 2306.

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