Terry, Well... If you are talking about using square-drive screws where no one except a piano rebuilder will ever want to remove them, fine. But I ran into one of those old upright mirror cutdown jobs last week, where the home handyman who did the work had used some square-drive screws to hold case parts together. I couldn't remove them to disassemble the case, so I was unable to adjust the capstans. This is virtually the first time I ran into these screws in a piano, so I was unprepared. I already carry five screwdrivers into every house. Will I have to add another variety, too? I can, of course, but I would really prefer not to. Then there are the star-head screws (oh, brother!). ;-) Farrell wrote: > Yesterday I finished a 5' x 8' VERY flat table for soundboard panel glue-up, thinning/tapering, and rib clamping. I screwed a sheet of MDF to a lattice of straightened & squared & leveled & epoxied-to-substrate 2x4s. When at the hardware store I was looking at a box of philips-headed screws, and then I noticed an identical box, but only the square drive heads. Remembering Roger Jolly's praise of the square-topped screws, I bought them and a square driver for my electric hand drill. Every screw went in perfect. Not even a hint of ever wanting to strip out the head. > > I may have driven my last philips-headed screw! The difference is night and day.
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