ISO 1722:1974 ✓ Most Recent

716208

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)

standard by International Organization for Standardization , 09/01/1974

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Full Description

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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Price: $56.00
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Product Details

Published:

09/01/1974

Number of Pages:

6

File Size:

1 file

Note:

This product is restricted and cannot be purchased in the following countries Ukraine, Russia, Belarus