ISO 722:1991

Rock drilling equipment — Hollow drill steels in bar form, hexagonal and round

Publication date: 24 jan 1991

General information

Current stage: 90.93 Effective date: 6 dhj 2022

Originator: ISO

Owner: ISO/TC 82

Type: International Standard

ICS: 73.100.30 77.140.60

Gjuha: frëngjisht anglisht

Buying

Statusi: Publikuar

PDF - 4 975 Lekë

Paper - 4 975 Lekë

CD - 4 975 Lekë

Language

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Scope

Specifies the dimensions for seven nominal sizes. This third edition cancels and replaces the second edition (1985), which has been technically revised (addition of round drill steels and extension of the range of sizes).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 722:1985

NOW

PUBLISHED
ISO 722:1991
90.93 Standard confirmed
6 dhj 2022

National adoptions

SSH ISO 722:2009

DPS

Pajisje shpimi për gurë - Punto çeliku në formë shufre bosh, gjashtëkëndore dhe të rrumbullakëta

60.60 Standard published

DPS/KT 133 më tepër