Can you try galvanized? the zinc acts as a passable lubricant.

The plate is nickel plated. The screws are hex head hardened grade 5 or 8 I
think... Black oxide, right? anyhow... Strength is needed and I don't
think they make glavanized or nickel coated hex heads in those grades.
--


Regards,
Joe Agro, Jr.
http://www.autodrill.com
http://www.multi-spindle-heads.com

V8013

My eBay: http://tinyurl.com/4hpnc