In a nutshell
The right choise for
With the Mitutoyo 368-992 inside micrometer set, you achieve precise and repeatable measurements on cylindrical bores and bearing fits. This 4-piece set covers a full measuring range of 20 to 50 mm with separate micrometers for 20-25 mm, 25-30 mm, 30-40 mm, and 40-50 mm. The self-centering three-point contact aligns automatically within the bore for stable, tilt-free inspection. Featuring a fine 0.005 mm graduation, it allows you to verify tight tolerances during cnc turning and milling operations. The built-in ratchet stop ensures uniform measuring force, while the contact point design lets you measure close to the bottom of blind bores.