logo

Standards Manage Your Business

We Manage Your Standards

ISO

ISO 721:1991

Rock drilling equipment — Integral stems

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 721:1991
Document Year: 1991
Pages: 4
Edition: 2
  • ICS:
  • 73.100.30 Equipment for drilling and mine excavation

Life Cycle

Currently Viewing

Published
ISO 721:1991

WITHDRAWN
Knowledge Corner

Expand Your Knowledge and Unlock Your Learning Potential - Your One-Stop Source for Information!

© Copyright 2024 BSB Edge Private Limited.

Enquire now +