socket screw plug
How to improve the surface polishing quality of die casting, die casting products wall can't be too thin. Large area of thin wall prone to owe defects such as water, cold. Die-casting products wall thickness choice: under normal circumstances, the wall thickness should not be greater than 4.5 mm, small and medium sized castings is suitable for wall thickness of the zinc alloy 1-3 mm, 1.5 4...
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