Originally Posted by
Zinger
Now that my old senile mind thinks about it there is some radiusing done on stamped parts where the steel is compressed by the force of the shearing.....duh.
What looks like a parting line is probably just the other side of the sheared part..
That could very well be so, in which case I would assume that they deliberately tailored their stamping process to give this [aesthetically desirable] result.