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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)
1. 8. 1974.

Опште информације

90.93     6. 12. 2022.

ISO

ISO/TC 82

Međunarodni standard

73.100.30  

francuski   engleski  

Kupovina

Objavljen

Jezik na kome želite da primite dokument.

Apstrakt

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.

Životni ciklus

TRENUTNO

OBJAVLJEN
ISO 1721:1974
90.93 Odluka o potvrđivanju standarda
6. 12. 2022.

Nacionalna preuzimanja

SRPS ISO 1721:1999  
ISS

Pribor za bušenje stena - PRODUŽNA ČELIČNA OPREMA ZA UDARNO BUŠENJE DUBOKIH RUPA - Oprema sa reverznim trapeznim navojem 1 1/16 in i 1 1/4 in (27 mm i 32 mm)

90.93   Odluka o potvrđivanju standarda

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