Greetings All, A quick tip for parallel reaming that gives great results. Rough up pin by rolling on a hard surface with a file.> Ream bushing with the pin in a pin vice, take one size larger pin in vice and heat with lighter and polish the bushing. Repin with this size of pin. Very consistent results if you are doing a whole section. Regards Roger. Roger Jolly University of Saskatchewan Dept. of Music.
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