Current stage: 90.93 Standard confirmed Dec 6, 2022
Originator: ISO
Owner: ISO/TC 82 Mining
Type: International Standard
ICS: 73.100.30 Equipment for drilling and mine excavation
Status: Published
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Defines dimensions and tolerances of left-hand rope threads to be used on rope threaded drill steel equipment for percussive drilling. Five sets of values are given.
WITHDRAWN ISO 1719:1974
WITHDRAWN ISO 1720:1974
PUBLISHED ISO 10208:1991 90.93 Standard confirmed Dec 6, 2022
