Product Description LZ Elastic Pin Gear Coupling(GB/T5015-2003) LZ High Quality Elastic Pin Gear Coupling uses nylon rod to turn the column pin into the opposite hole between the 2 half coupling and the outer ring inner surface, and transfers the torque through the column pin to realize the connection between 2 half couplings. It has … Continue reading China Standard Good Quality Gear Coupling with Elastic Pins