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ISO 494:2017

Cylindrical shank twist drills — Long series

Publication date:   Feb 24, 2017

General information

90.93 Standard confirmed   Oct 31, 2022

ISO

ISO/TC 29/SC 9 Tools with defined cutting edges, holding tools, cutting items, adaptive items and interfaces

International Standard

25.100.30   Drills, countersinks, reamers

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Scope

ISO 494:2017 specifies the dimensions of cylindrical shank twist drills having working lengths in the long series.
The cylindrical shank jobber and stub series drills and Morse taper shank drills are given in ISO 235.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 494:2009

NOW

PUBLISHED
ISO 494:2017
90.93 Standard confirmed
Oct 31, 2022