Ml Mt Lm 3 4 5 6 7 Elastic Plum Blossom Coupling High Torque Claw with Keyway Used for Oil Pump Reducer Air Compressor Hydraulic Equipment Shaft Coupler. High Torque Capacity: Torque range from 25Nm to 12500Nm for heavy-duty applications. Flexible Structure: Elastic coupling design with polyurethane pads for buffering and corrosion resistance. Durable Material: Constructed from 45# steel with blackening treatment for wear resistance. Wide Shaft Range: Shaft hole sizes from 10mm to 140mm with H7 standard tolerance. Customizable Options: Surface, shaft hole type, and installation method can be customized per requirements. High Concentricity: Zero rotational clearance ensures accurate inner hole tolerance. Efficient Assembly: Simple structure allows easy disassembly and assembly, saving labor. Proven Manufacturer: 10 years R&D experience with 12000 sqm workshop and 3 million sets annual capacity.