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ISO 3438:1975

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

Standard Details

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

Status : WITHDRAWN
Standard Type: Main
Document No: ISO 3438:1975
Document Year: 1975
Pages: 1
Edition: 1

Life Cycle

WITHDRAWN

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WITHDRAWN
ISO 3438:1975
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