There are many factors singular to the die casting process that are needed to be considered such as product strengths, draft angles, gate areas, material types, material flow, slide features, undercuts, wall thicknesses and material weights.
There are many identifiable variables in a die casting part.
* Manufacturers ID marks
* Cavity markings
* Ejector pin location
* Ejector pin diameters
* Ejector pin angles
* Ejector pin depths
* Overflow location and sizes
* Gates sizes and locations
* Tooling drag marks
* Part draft angles
Look here for some tooling images http://www.kineticdiecasting.com/tooling_die_casting.html
Contact Kinetic Die Casting Company at 818-982-9200 if you have technical questions regarding die castings. We will be happy to assist you for your product or application.