SENQCIA Inspire Series Hollow pin type ANSI/ASME Double Pitch connecting links are manufactured . The hollow pins are seamless for superior wear resistance. These chains are primarily used on conveyors with through rods inserted into the hollow pins Spring Clips are supplied with slip fit closing plates for ease of assembly in the field. Connecting links are used to connect the ends of the Hollow Pin chain strand into an endless loop. Each connecting link is individually packaged in a sealed plastic bag.