China Good quality Roller Chain Coupling 6022 coupling base

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