冲击式单锤气扳机转子转圈铁锤敲打一回，因是一转一打式可以强力紧固。扭矩控制式达到预先设定好的扭矩时自动断气源停止冲击。紧固螺栓或螺母时抵抗值上升造成运转切断气阀筒的安装方式。型号适用螺丝扭力范围空载转数耗气量气管接口气管内径全长重量mmN.mKgf.cmrpmm3/minmmmmgGT-800P6-84.9-68.62-77,5000.34PT1/46.351481.5GT-1000P8-1014.7-137.34-147,2000.35PT1/46.351671.9GT-1400P12-1439.2-225.67-207,0000.35PT1/46.351822.25GT-1600P14-1649-264.810-256,7000.36PT1/46.351962.7GT-1600PL14-1649-264.810-256,7000.36PT1/46.352242.8GT-2000P16-20147-460.920-455,0000.45PT1/49.52414.3GT-2000PL16-20147-441.320-454,7000.45PT1/49.53544.7GT-380024-39343-156935-1603,4000.9PT3/812.739212.3GT-4200P27-42490-176550-1802,5001.0PT3/812.731614.2GT-4200L27-42490-176550-1803,2001.0PT3/812.759715.9GT-420027-42490-176550-1803,2001.0PT3/812.740914.9