<!doctype html public "-//W3C//DTD W3 HTML//EN"> <html><head><style type="text/css"></style><title>15mm plug cutter</title></head><body> <div><font face="Arial" size="-4" color="#000000">>I think I will use my 1/2 tenon/plug cutter. It's good quality and does<br> >a good job. I had forgotten about Webb Phillip's wood restorer that I</font></div> <div><font face="Arial" size="-4" color="#000000">>will use as a glue and filler. It should be OK for lead removing.</font></div> <div><br></div> <div>Bear in mind that a plug will be smaller than its designated cutter. The 9/16" (.562)</div> <div>plugs from Pianotek mic about .546 (which happens to be 35/64").</div> <div>My 1/2" (.500) plugs mic ~.485 (31/64).</div> <div><br></div> <div>Since a plug cut with a 1/2" cutter doesn't fit snug enough and the hole is usually</div> <div>out-of-round I drill it to 35/64" and glue in their 9/16 plug for a nice, tight, clean fit.</div> <div><br></div> <div>For installing a 1/2" lead, I drill to 31/64". 3/8" leads do alright with a 3/8" bit.</div> <div> </div> <div>Since the hole is probably expanded/deformed from the swaging of the lead,</div> <div>a plug cut from a 15mm (.590) cutter might not be a snug fit. I would</div> <div>probably ream the hole to 39/64" (.610) and install a plug cut with a 5/8" (.625)</div> <div>cutter; to allow for the disparity (~.015) as mentioned above.</div> <div><br></div> <div>It seems that a bit 1/64"(.0156) smaller than the designation of the insert</div> <div>doesn't require the lead to be swaged as much</div> <div>and the wooden plug to have a proper glue joint.</div> <div><br></div> <div>These bits in 64ths can be purchased from Woodworkers Supply or McMaster-Carr.</div> <div><br></div> <div>Having to use a filler-type adhesive would add time and mess to the job and just</div> <div>doesn't look as professional as a fitted plug.</div> <x-sigsep><pre>-- </pre></x-sigsep> <div><br> Regards,<br> <br> Jon Page</div> </body> </html>