OS GSO ISO 494:2015
ISO 494:2009
Omani Standard
Current Edition
·
Approved on
03 September 2015
Cylindrical shank twist drills -- Long series
OS GSO ISO 494:2015 Files
English
5 Pages
Current Edition
Reference Language
OMR
31.02
OS GSO ISO 494:2015 Scope
This International Standard 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.
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