2型 非金属嵌件六角法兰面锁紧螺母 细牙 产品等级:A型和B型
Prevailing Torque Type Hexagon Nuts with Flange (with Non-Metallic Insert) with Metric Fine Pitch Thread, style 2 - Product Grades A and B
细牙六角尼龙法兰锁紧螺母 A级、B级
Prevailing Torque Type Hexagon Nuts With Flange(With Non-metallic Insert) With Metricfine Pitch Thread - Product Grades A and B