产品型号油缸***大压力MPa油缸直径mm***大工作扭矩N.m液压缸行程套筒转角扳手适用螺纹范围（粗牙）NJS-I6340995436°M20-M30NJS-II63451260036°M30-M48NJS-III63451486834°M48-M56NJS-IV63654139134°M64-M80NJS-V63654139130°***0-M100)