Hi Patrick, I would look in McMaster-Carr or Grainger for the right tool. Perhaps some kind of socket wrench extension would do the job? If not, you may be able to adapt something that will fit in a socket, such as grinding down the threaded part of a bolt to the square size you need. If you want a few more ideas, feel free to contact me. Respectfully, Jon >Dear List, >What's the best source for Robertson bits that will fit plate screws >(for a miserable "Grand" spinet if you must know)? It looks to be >about half a centimeter square. >Thanks, >Patrick Draine >Billerica, MA > >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives -- Jon Ralinovsky Piano Technician Department of Music Miami University 513/529-6548
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