... tamper, railway bolt wrench, rail bender , rail gap adjuster, cutting disc, grinding stone, and etc .Since its foundation in 1992 ... two pieces of elastic fastenings at the same time, featuring high working efficiency, accurate installation, focus control, easy operation. It’s ... /min 4,rated thrust: 20KN5,top head QTY.: 26,working efficiency: ≤4sec/one piece7,weight; 219kg8,overall dimension: 1960×650 ...