Pete, For what it’s worth, Citric Acid will eat the rust(iron) and not effect the stainless. I am not sure how you would use that info. Maybe soak the area intermittently with a 10% citric solution. I don’t think it will harm your fiberglass. The powdered drink “Tang” is high in Citric acid. Cheers Rick C&C 37+ Paikea Poulsbo, WA > On May 15, 2015, at 4:36 PM, [email protected] via CnC-List > <[email protected]> wrote: > > Listers, please give me advice. > Due to inferior steel, a cotter ring has rusted badly, and I am unable to > remove the remnants from the pin. > So far, a hardened-steel drill bit (Irwin brand) is simply enlarging the hole > around the edges, but not removing the ring remnants. > Is there chemical solution? > Any thoughts would be greatly appreciated. > > Pete W. > Siren. Song > '91 C & C 30 MkII > Deltaville, Va. > > > Sent from my Verizon 4G LTE Tablet > > _______________________________________________ > > Email address: > [email protected] > To change your list preferences, including unsubscribing -- go to the bottom > of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com >
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