This chain half link connects two sections of the conveyor or gathering chain in a self-propelled forage harvester. It is used to adjust the chain length or to repair a broken chain segment without replacing the entire loop. A worn or stretched half link causes chain slack, which leads to uneven feeding and increased wear on the sprockets. As an original component, the link matches the original chain's pitch and roller diameter, so the chain runs smoothly over the sprocket teeth without skipping.