OS GSO ISO 235:2021
ISO 235:2016
Omani Standard
Current Edition
·
Approved on
01 July 2021
Parallel shank jobber and stub series drills and Morse taper shank drills
OS GSO ISO 235:2021 Files
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OS GSO ISO 235:2021 Scope
ISO 235:2016 specifies the dimensions of the following three types of drills:
a) parallel shank drills, stub series;
b) parallel shank drills, jobber series;
c) Morse taper shank drills.
It comprises, for each type of drill mentioned above, three tables giving, respectively:
a) the dimensions in millimetres;
b) the dimension in inches;
c) the corresponding lengths, in millimetres and in inches, set out as functions of diameter steps.
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