2型 全金属锁紧六角法兰螺母 细牙 A型和B型
Prevailing Torque Type All - Metal Hexagon Nuts with Flange with Metric Fine Pitch Thread,Style 2 - Product Grades A and B
细牙全金属锁紧六角法兰螺母
Prevailing torque type all-metal hexagon nuts with flange with metric fine pitch thread—Product grades A and B