Abstract
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.
General information
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Status: PublishedPublication date: 1974-08Stage: International Standard confirmed [90.93]
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Edition: 1Number of pages: 6
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Technical Committee :ISO/TC 82ICS :73.100.30
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