ISO 721:1991

Rock drilling equipment — Integral stems

OVERVIEW

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.

COMMENTS

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PRODUCT DETAILS

Status Current
Edition 1991
No. of Pages 4
ICS Classification 73.100.30 Equipment for drilling and mine excavation
Committee ISO/TC 82
Available for Purchase For sale in Singapore only
Adoption ISO