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ISO 721:1991

Rock drilling equipment -- Integral stems
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ISO 721:1991

Rock drilling equipment -- Integral stems

PUBLISH DATE 1991
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.

SDO ISO: International Organization for Standardization
Document Number ISO 721
Publication Date Jan. 15, 1991
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 82
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