DIN 908：帶六角套筒和圓柱形螺紋的螺塞

DIN 908 is a standard specification published by the Deutsches Ititut für Normung (DIN), which is the German Ititute for Standardization. This standard defines the characteristics and dimeio of hexagon socket screw plugs made of steel and intended for use with threaded pipe DIN 908 standard cove screw plugs with a male or female thread, and with a hexagon socket head for tightening or loosening. The standard specifies various dimeio such as the size of the plug, the thread type, the length of the threaded portion, and the width across flats of the hexagon socket standard is commonly used in industrial applicatio where pipes need to be closed or sealed. The DIN 908 standard helps eure compatibility and interchangeability between different manufacture' hexagon socket screw plugs.