ISO 721:1991

Rock drilling equipment — Integral stems

Publication date: Jan 17, 1991

General information

Current stage: 90.93 Effective date: Aug 29, 2017

Originator: ISO

Owner: ISO/TC 82

Type: International Standard

ICS: 73.100.30

Languages: French English

Buying

Status: Published

PDF - ALL 4,297

Paper - ALL 4,297

CD - ALL 4,297

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Scope

Specifies the dimensions. The 19 mm hexagonal integral stems with forged collared shank shall comply with the dimensions shown in figure 1 and given in table 1. The 22 mm stems shall comply with the dimensions shown in figure 2 and given in table 2. The 25 mm stems shall comply with the dimensions shown in figure 3 and given in table 3.

Life cycle

PREVIOUSLY

Revises
ISO 721:1974

NOW

PUBLISHED
ISO 721:1991
90.93 Standard confirmed
Aug 29, 2017

National adoptions

SSH ISO 721:2009

DPS

Rock drilling equipment — Integral stems

60.60 Standard published

DPS/KT 133 more

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