Callaham Hardtail Bridge Dimensions

Callaham makes several hardtail bridges for Fender-style guitars. The vintage bridge has a string spacing of 2-7/32" (notice that the blue lines pass through the centers of the E

string saddles), while the American Standard bridges have a narrower 2-1/16" string spacing.

When replacing an existing bridge, it’s not only important to choose a replacement that has the appropriate string spacing, it’s also important that you match the spacing of the three

mounting screws. All three Callaham bridges above have their string holes and their three mounting holes in the same fore/aft position (7/8” and 1-1/8“ from the front edge of the

bridge, respectively). But the spacing of the three mounting holes differs. The vintage bridge locates the outer

mounting screws on 1-25/32” (roughly 45 mm) centers, whereas the American Standard bridges locate the outer