The modern tuning machines are obviously larger in diameter than the vintage tuners and consequently, the mounting holes will need to be enlarged to accept the new tuners. We have everything you need to upgrade your guitar, bass, ukulele, mandolin and many other stringed instruments! http://www.stewmac.com/ Will you need to drill holes in your guitar if you put new tuners on it? 15.00 This is 48" of 1" wide cloth leveling sandpaper and double sided … This reamer is tapered from 1/8" to 3/8" and is suited for many different guitar applications on wood and metal. Sperzel has been manufacturing tuning keys since 1977 with their unique design and precision machining ability. Tuner Hole Spacing Discussion in 'Luthier's Corner' started by mansjasont, May 11, 2015. The makers of Tusq, String Saver Saddles, Ratio Tuners, and many other high quality Guitar Upgrade Parts and accessories. T handle is easily removed for chucking in a drill. They are cheap Yamaha tuners found here Yamaha 5 String Bass Tuner, Black (3 x 2) | Guitar Huggers I might go with them, we'll see. May 11, 2015 #1. mansjasont. The mounting hole on the headstock for our die-cast tuning machines is 13/32" (10mm) with a .236 diameter string post. Why make the tuner mounting pattern compatible when you can make it difficult? Graph Tech is the worlds largest nut and saddle manufacturer. Standard vs Locking - with locking tuners strings are inserted through the axle bore and fixed by a screw from the outside; Bridges. Fender 2 pin tuners and Squier tuners have a different pin spacing for some reason only known to the geniuses at Fender. Guitar bridge has large influence on playability (mainly through string spacing). Wider string spacing is better for finger-picking style, narrow spacing gives easier control when playing leads with distorted tone. This precision was recognized in Guitar Player Magazine (October 1979) as the most significant advancement in guitar tuning capabilities and was the beginning of addressing the problems that have held guitar players captive for years. If your guitar has had tuners with bolt bushings on and you are looking to return to using vintage style tuners, you can source conversion bushings to make the bore hole smaller, thus stopping the vintage sized tuners moving about excessively in the larger holes. tuner holes, end pins and bridge pin holes.