Publikuar
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.
PUBLISHED
ISO 1721:1974
90.93
Standard confirmed
29 gush 2017
Pajisje shpimi për gurë - Pajisje për zgjatjen e daltave shpuese për shpime me goditje në vrimë të thellë - Pajisjet e përforcuara me fileto në krah të kundërt 1 l/16 dhe 1 l/4 në (27 dhe 32 mm)
60.60 Standard published
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