PURPOSE: To provide a metallic mold for casting the grid body of a lead battery excellent in the long service life of a coating layer and the productivity.

CONSTITUTION: The casting mold for grid body of the lead battery arranges the coating layer 1 having ≤70μm the max roughness on the surface 5 for engraving the grid body. When the ruggerdness on the surface of the coating layer 1 is little, since the detachment of a cork with molten metal can be prevented, the service life of the coating layer is made to be long and the spraying work of the cork can be reduced. Therefore, the productivity of the grid body is excellent and the working environment can be improved and the load of the worker can be reduced.