Jim, For soundboard panels, drill a small pilot hole, 2 - 3 mm, and use it as a guide to drill part way from one side and finish from the other. With this technique you should be able to get by with either a forstner or a spade. Attached is another legitimate use for forstners. Mike On 12/19/2012 8:59 PM, Jim Ialeggio wrote: > Calling all cars, calling all cars...be on the lookout for a specialty > drill bit, posing as a cutting tool. Suspect claims to be armed, but > is not dangerous, as it couldn't cut its way out of a paper bag. > Answers to the name "Forstener"... > > Now really, I'm about to completely give up on Forstener bits. They > should useful for cutting clean semi-large holes, especially in > masonite and template stock, soundboard panels, etc, but they never > live up to their billing, except in a drill press. And then only in > certain woods. And then clog and burn before you can say boo. Does > anybody get these bits to behave reasonably? > > So I try all the bits in the shop for drilling a clean hole in a > soundboard panel and masonite panel template. What comes up on top...a > sharp cheap-o Spade bit, with the panel backed-up. > > How do others manage a clean hole in soundboard panels...hand held or > jig held? > > Jim Ialeggio > > -------------- next part -------------- A non-text attachment was scrubbed... Name: Hammers 005.jpg Type: image/jpeg Size: 107353 bytes Desc: not available URL: <https://www.moypiano.com/ptg/pianotech.php/attachments/20121220/5555ea95/attachment-0001.jpg>
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