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)

Publication date: 1 gush 1974

General information

Current stage: 90.93 Effective date: 6 dhj 2022

Originator: ISO

Owner: ISO/TC 82

Type: International Standard

ICS: 73.100.30

Gjuha: frëngjisht anglisht

Buying

Statusi: Publikuar

PDF - 4 749 Lekë

Paper - 4 749 Lekë

CD - 4 749 Lekë

Language

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 1721:1974
90.93 Standard confirmed
6 dhj 2022

National adoptions

SSH ISO 1721:2009

DPS

Pajisje shpimi për gurë - Pajisje për zgjatjen e daltave shpuese për shpime me goditje në vrimë të thellë - Pajisjet e përforcuara me fileto në krah të kundërt 1 l/16 dhe 1 l/4 në (27 dhe 32 mm)

60.60 Standard published

DPS/KT 133 më tepër