MQTB-70/1.7 Pneumatic Prop Rib Bolter is desighed for ... with strong hardness.Working air pressure: 0.4 MPa, 0.5 MPa, 0.63 MPaRated torque: ≥45 N.m, ... r/minLeg propelling power //:4.0/3.0/2.1, 5.0/3.7/2.6, 6.4/4.7/ ... 320, ≥400, ≥480Max. output power: 0.94Kw, 1.7 Kw, 2.5 KwIdle rotary speed: 600 r/min, 780 r/min ... , 95 N.m, 110 N.mAir consumption: 2, 2.5, 3 m3/minNoise level: ≤ 90 dBWeight: 35 KgMax. height ...