metric fine thread

... fine thread 细牙螺纹 metric fine thread 公制细牙螺纹 ; 米制细牙螺纹 ; 公制细牙罗纹 national fine thread 国家标准细牙螺纹 ...

 fine metric thread

... Fine-Thread Series 细牙系列 fine metric thread 公制细牙螺纹 fine pitch thread 细牙 ; 细牙螺纹 ; 粗牙螺纹 ...