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ISO 722:1991

Rock drilling equipment - Hollow drill steels in bar form, hexagonal and round
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ISO 722:1991

Rock drilling equipment - Hollow drill steels in bar form, hexagonal and round

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Specifies the dimensions for seven nominal sizes. This third edition cancels and replaces the second edition (1985), which has been technically revised (addition of round drill steels and extension of the range of sizes).

SDO ISO: International Organization for Standardization
Document Number ISO 722
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 82
Publish Date Document Id Type View
Not Available ISO 722:1991 Revision