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Homepage>ISO Standards>ISO 721 Rock drilling equipment — Integral stems
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download between 0-24 hoursReleased: 1991
ISO 721 Rock drilling equipment — Integral stems

ISO 721

Rock drilling equipment — Integral stems

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French Hardcopy
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Standard´s number:ISO 721
Pages:4
Edition:2
Released:1991
DESCRIPTION

ISO 721


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.
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