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ISO 1721:1974 PDF

ISO 1721:1974 PDF

Name:
ISO 1721:1974 PDF

Published Date:
08/01/1974

Status:
Active

Description:

Rock drilling -- Extension drill-steel equipment for percussive long-hole drilling -- Reverse-buttress-threaded equipments 1 1/16 and 1 1/4 in (27 and 32 mm)

Publisher:
International Organization for Standardization

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
SKU:
Choose Document Language:
$16.2
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Specifies the basic dimensions for equipment. Gives a list of components; tabulates together with figures: shank adapters for central flushing, hexagon type and lug-shank type; extension rods; coupling sleeves; four-wing bits; reverse-buttress threads; hollow hexagonal bars for extension rods; hexagonal drill-steels.


File Size : 1 file , 360 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 6
Published : 08/01/1974

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