GSO ISO 3291:2013
ISO 3291:1995
Gulf Standard
Current Edition
·
Approved on
09 September 2013
Extra-long Morse taper shank twist drills
GSO ISO 3291:2013 Files
English
4 Pages
Current Edition
Reference Language
OMR
31.08
GSO ISO 3291:2013 Scope
This International Standard specifies the dimensions of extra-long Morse taper shank twist drills in the range 6 mm to 50 mm diameter with an overall length range of 200 mm to 630 mm.
It gives a list of preferred diameters.
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