Type YT28 air legged rock drill Weight ¡Ö26kg Overall length 661mm Operating air pressure 0.4-0.63*** I***ct frequency(0.63***) ¡Ý37HZ Air-pipe bore(inner Dia.) 25mm Water-pipe bore(inner Dia.) 13 mm Air consumption ¡Ü81L/s Drill rod trailer 22 x 108 ? mm (the sides length of the hexagon) Drill bit ?4-42 mm Type FT160BD ( short) air leg Leg length 1400mm Propulsion stroke 965mm Weight ¡Ö14.4kg Type FT160BC ( long )air leg Leg length 1800mm Propulsion stroke 1365mm Weight ¡Ö16.9kg
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