Specifies the basic dimensions for equipment. Gives a list of components; tabulates together with figures: shank adapters for central flushing, hexagon type and lug-shank type; extension rods; coupling sleeves; four-wing bits; reverse-buttress threads; hollow hexagonal bars for extension rods; hexagonal drill-steels.
Status: PublishedPublication date: 1974-08
Edition: 1Number of pages: 6
Technical Committee: ISO/TC 82 Mining
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|std 1 38|
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