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Normas DIN – AENOR
DIN 20379-2:2011-05

DIN 20379-2:2011-05

Rock drilling - Part 2: Bits with internal thread for percussive flush drilling

Forage en roche - Partie 2: Têtes de sondage à percussion avec filetage intérieur pour le forage à injection

Gesteinsbohren - Teil 2: Schlagbohrköpfe mit Innengewinde für Spühlbohren

Fecha:
2011-05 /Active
Relación con otras normas DIN:

Reemplaza a: DIN 20379-2:2010-02

Reemplaza a: DIN 20379:1990-03

Resumen:
This standard appllies for bits for percussive drilling with diverse edges and internal thread for flush drilling, which are used in mining together with flush drills according to DIN 20377.
Keywords:
Connecting dimensions, Cutting heads, Design, Designations, Dimensions, Drilling bits, Drilling (mineral extraction), Drills, Hardness, Impact drills, Internal threads, Marking, Materials, Mining, Mining equipment, Percussion drill bits, Rock drilling operations, Threads, Tolerances (measurement), Tools, Wet drilling
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