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  1. SteamboatMike

    Looking for PTFE @ 25% or greater Graphite 1" dia. rod to make piston rings

    I'm replacing the O-rings with PTFE in my two steam engines powering a 63-inch scale model of the US Army Corps of Engineers snagboat, W.T. Preston. I only need a small amount- around 10 inches or so to machine the piston rings. I've gotten quotes from manufacturers, however, they all require...
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