SM Keel bolts

ianjenkins1946 <>

 Hi all,

Does anyone know the diameter of the keel bolt in the grey water bilge in the engine room of an SM ? I am making up the copper strip that bolts on to the aft bolt but I'm not on board and don't know how big to make the hole on the copper strip.

     Ian and Judy,

 Pen Azen, SM 302, Preveza, Greece

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