Pribor za bušenje stena - PRODUŽNA ČELIČNA OPREMA ZA UDARNO BUŠENJE DUBOKIH RUPA - Oprema sa reverznim trapeznim navojem 1 1/16 in i 1 1/4 in (27 mm i 32 mm)
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)