... Service 4)competitive price. Y19A Hand-hold and Air-leg Rock DrillInstructionThe machine is mainly used in samll ... projects as well. When it is matched with air- leg model FT100,it can perform both dry and ... ,light in weight ,fast drilling speed,lower air comsumption,smaller vibration,easier operation,lower trouble rate, ... ≥200 r/min Air consumption ≤37 L/s ≤43 L/s Y19A Hand-hold and Air-leg Rock Drill