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>ISO Standards>ISO 722:1991-Rock drilling equipment — Hollow drill steels in bar form, hexagonal and round
immediate downloadReleased: 1991
ISO 722:1991-Rock drilling equipment — Hollow drill steels in bar form, hexagonal and round

ISO 722:1991

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

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English PDF
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Printable
46.00 EUR
English Hardcopy
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46.00 EUR
French PDF
Immediate download
Printable
46.00 EUR
French Hardcopy
In stock
46.00 EUR
Standard´s number:ISO 722:1991
Pages:2
Edition:3
Released:1991
DESCRIPTION

ISO 722:1991


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).
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