ISO-1722 › Rock drilling -- Extension drill-steel equipment for percussive long-hole drilling -- Reverse-buttress-threaded equipments 1 1/2 to 2 1/2 in (38 to 64 mm)

ISO-1722 - 1ST EDITION - CURRENT


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Specifies the basic dimensions for equipment. Gives a list of components; tabulates together with figures: size of drill-steel in bar form; lengths of extension rods; coupling sleeves; bit diameters (four-wing bits); reverse-buttress threads; hollow hexagonal bars for extension rods.

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73.100.30 (Equipment for drilling and mine excavation Including equipment for seabed mining Drilling equipment for the petroleum industry, see 75.180.10)

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Document Number

ISO 1722:1974

Revision Level

1ST EDITION

Status

Current

Publication Date

Sept. 15, 1974

Committee Number

ISO TC 82