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Bronze die casting involves the melting of bronze, an alloy typically made of copper and tin, and the rapid injection of the molten metal into a mold or die. The die is usually made from steel, which is crafted to endure high temperatures and pressures. Once the molten bronze is injected into the die, it cools and solidifies into the desired shape, forming components that require minimal post-production finishing.

Draft angle refers to the slight taper or angle added to the vertical walls of a die-cast part. Typically measured in degrees, this angle is essential for the easy removal of the part from the die. Without an appropriate draft angle, the parts may stick to the die, leading to damage during ejection or even the failure to extract the part altogether.