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Homepage>ISO Standards>ISO 1722:1974-Rock drilling — Extension drill-steel equipment for percussive long-hole drilling — Reverse-buttress-threaded equipments 1 1/2 to 2 1/2 in (38 to 64 mm)
download between 0-24 hoursReleased: 1974
ISO 1722:1974-Rock drilling — Extension drill-steel equipment for percussive long-hole drilling — Reverse-buttress-threaded equipments 1 1/2 to 2 1/2 in (38 to 64 mm)

ISO 1722:1974

ISO 1722:1974-Rock drilling — Extension drill-steel equipment for percussive long-hole drilling — Reverse-buttress-threaded equipments 1 1/2 to 2 1/2 in (38 to 64 mm)

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English PDF
Immediate download
70.00 EUR
English Hardcopy
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70.00 EUR
French PDF
Immediate download
70.00 EUR
French Hardcopy
In stock
70.00 EUR
Standard´s number:ISO 1722:1974
Pages:6
Edition:1
Released:1974
DESCRIPTION

ISO 1722:1974


Specifies the basic dimensions for equipment. Gives a list of components; tabulates together with figures: size of drill-steel in bar form; lengths of extension rods; coupling sleeves; bit diameters (four-wing bits); reverse-buttress threads; hollow hexagonal bars for extension rods.
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