String Nut — Lutherie Encyclopedia

String NutType: glossaryAn alternate term for the nut, the slotted piece at the headstock end of the fingerboard that guides and spaces the strings.## Definition String nut is an alternate, more specific term for the nut, the slotted piece of hard material positioned at the headstock end of the fingerboard. The additional qualifier "string" is sometimes used to distinguish this component from other nuts found on the instrument, such as the truss rod adjustment nut or the hex nuts that secure tuning machines. Functionally, the string nut is identical to what is simply called the nut: it spaces the strings, sets their height at the first fret position, and defines one end of the vibrating string length. The string nut works in partnership with the saddle at the other end of the string to define the instrument's scale length. The two components share similar material choices, including bone, Tusq, graphite, and various synthetics, and both require precise slot cutting and fitting for optimal playability and tone. ## In Practice In everyday use, most luthiers and players simply refer to the string nut as "the nut." The term "string nut" appears more often in technical documentation, parts catalogs, and contexts where disambiguation is needed. The fitting and adjustment procedures are identical regardless of terminology: the luthier shapes the blank to fit the fingerboard slot, cuts string slots to the correct width, depth, and angle, and polishes the slots smooth to prevent string binding. One area where the "string nut" terminology is particularly useful is in describing compensated nuts, where each string slot is offset s…