ISO 1717:1974
ISO 1718:1991-ed.2.0..
ISO 1722:1974
ISO 3551-1:1992
ISO 3551-2:1992
ISO 3552-1:1992
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ISO 1721:1974
Rock drilling — Extension drill-steel equipment for percussive long-hole drilling — Reverse-buttress-threaded equipments 1 1/16 and 1 1/4 in (27 and 32 mm)
Automatically translated name:
Rock drilling -- Extension drill-steel equipment for percussive long-hole drilling -- Reverse-buttress-threaded equipments 1 1/16 and 1 1/4 in (27 and 32 mm)
STANDARD published on 1.8.1974
The information about the standard:
Designation standards: ISO 1721:1974
Publication date standards: 1.8.1974
SKU: NS-427512
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 1721:1974 :
Description / 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.
Similar standards:
1.6.1974
17.1.1991
1.9.1974
2.7.1992
2.7.1992
2.7.1992
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