2型非金属嵌件六角法兰面锁紧螺母 细牙 Prevailing Torque Type Hexagon Nuts With Flange(With Non-Metallic Insert),Style 2-Fine Pitch Thread
非金属嵌件 六角法兰面锁紧螺母 细牙 Prevailing Torque Type Hexagon Nuts with Flange (with Non-Metallic Insert) with Fine Pitch Thread
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