Can a die push rod be called a thimble?
No, the putter provides power to the ejector plate. Thimble is the product of the smooth release, and generally supporting the use of tubes. Push rod diameter is called thimble much larger, and the use of less quantity, the general quantity is 1 to 4. The thimble is very large
If you say it is a push rod, there should be a push block at the front end. The ejector plate pushes the product out through the push rod. A place for pushing blocks, as of a product
This can not be done in cold stamping dies. Plastic and die casting can be called this way