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ISO 721:1991-ed.2.0

Rock drilling equipment — Integral stems

STANDARD published on 17.1.1991

English -
electronic design (pdf) (65.00 USD)
English -
Print design (65.00 USD)


French -
electronic design (pdf) (65.00 USD)
French -
Print design (65.00 USD)

The information about the standard:

Designation standards: ISO 721:1991-ed.2.0
Publication date standards: 17.1.1991
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: International technical standard
Category: Technical standards ISO

Annotation of standard text ISO 721:1991-ed.2.0 :

Description / Abstract: 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.