China wholesaler High Quality Roller Chain Coupling 6022

Product Description Roller chain coupling 6571 Our Roller Chain Coupling details: Size: 3012, 4012, 4014, 4016, 5014, 5016, 5018, 6018, 6571, 6571, 8018, 8571, 8571, 10018, 10571, 12018, 12571 Our Roller Chain Coupling Specification: 1. Material: C45 steel, Alloy...