Rick and Doug,
Ejector pins are available from a number of manufacturers, DME and National
being the largest. They are available in many cities from mold supply
companies which may be listed in the yellow pages under Molds, Mold Tooling,
or Tool and Die Makers Equipment and Supplies. In Denver, I can pick up
single pins from a couple of sources.
By the way, Nitriding is a case hardening which is a surface treatment.
Pins are available heat treated to fully hard all the way through, but the
most common Ejector Pins are hardened to Rc 40 at the core and then
nitrided.
Yes, they are available in metric sizes.
www.ntm.com (Nationals web site as Doug pointed out)
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