2型 全金属六角锁紧螺母 细牙          
          Prevailing Torque Type All-Metal Hexagon Nuts, Style 2 - Fine Pitch Thread 
                      
          2型全金属六角锁紧螺母 细牙          
          Prevailing Torque Type All-metal Hexagon Nuts, Style 2, with Fine Pitch Thread 
                      
          2型全金属六角锁紧螺母  5、8、10和12级          
          Prevailing Torque Type All-metal Hexagon Nuts, Style 2 - Property Classes 5, 8, 10, and 12