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download between 0-24 hoursReleased: 1991
ISO 721:1991
ISO 721:1991-Rock drilling equipment — Integral stems
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Standard´s number: | ISO 721:1991 |
Pages: | 4 |
Edition: | 2 |
Released: | 1991 |
DESCRIPTION
ISO 721:1991
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.