ISO 1722:1974
Current
The latest, up-to-date edition.
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)
Hardcopy , PDF
English, French
01-09-1974
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.
| Committee |
ISO/TC 82
|
| DocumentType |
Standard
|
| Pages |
6
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| UNE 22665:1985 | Identical |
| 17/30341097 DC : 0 | BS ISO 18758-1 - MINING AND EARTH-MOVING MACHINERY - ROCK DRILL RIGS AND ROCK REINFORCEMENT RIGS - PART 1: TERMINOLOGY |
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