How to make a pin of injection? What is the trade secret?

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How to make a pin of injection? What is the trade secret?

Those are so slim... How could those to make a hole in it?

2006-12-18 23:51:33 · 2 answers · asked by andrea.vincze 1 in Science & Mathematics ➔ Engineering

2 answers

These are extruded (actually, pull-truded)

Its cheaper to buy them from someone then to make them, because to make them, you would have to make a gazillion of them to pay for the machine and the tool.

2006-12-19 02:00:56 · answer #1 · answered by www.HaysEngineering.com 4 · 0⤊ 0⤋

industrial machinery

2006-12-18 23:52:51 · answer #2 · answered by Dr Dee 7 · 0⤊ 0⤋