Ditto. Except that I've glued in maple plugs when the original hole is larger diameter than my new set screws. Probably overkill. Whatever. Terry Farrrell > Holes filled with epoxy/wood flour, drilled 5/16", no tapping. I've tried > "tapping" by running a 3/16x16 rod in and out before the bolts go in, but > it eats the threads off grade 2 all thread pretty quickly. A sacrificial > set screw, or long grade 8 bolt will work, or just run each bolt straight > into the hole, mostly out, and in again. Leaves them tight but movable. > > >> I was able to get these screws, acorn nuts, etc at my local /Fastenal. / >> One inch round brass stock as well for mass loading. I mention this for >> others, as there are supposedly 4000 of these stores in the >> U. S., so you may just be able to run down the street instead of mail >> ordering. Lots of other stuff there that us weird piano rebuilders >> might use or adapt, and they have a huge catalog. > > Looks like $3.96 each at Fastenal. MSC has them at $91.56 per hundred. If > you plan on doing more than one, less than 1/4 the price is worth mail > order. I'll be ordering another box soon. Now if I could just find some > neat looking cap nuts at a similar price. FWIW, I think standard acorn > nuts are fairly ugly, and everything I've seen so far that wasn't has been > over $4 each. > > >> Also, these 3/8” screws miked out at .369 instead of the .375 that 3/8” >> works out to. Does that differ from your stock? > > I get 0.371". Plenty close enough for me. > Ron N >
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