全金属六角锁紧螺母 细牙 性能等级:8、10、12级
Prevailing Torque Type All-Metal Hexagon High Nuts with Metric Fine Pitch Thread - Property Classes 8,10 and 12
2型细牙全金属六角锁紧螺母 8级、10级、12级
Prevailing Torque Type All-metal Hexagon Nuts, Style 2, with Metric Fine Pitch Thread - Property Classes 8, 10 and 12