Mitutoyo 6-300mm Digital Three Point Internal micrometer Series 468
The Mitutoyo 6-300mm Digital Three Point Internal Micrometer Series 468 is a precision-engineered measuring tool designed for accurate measurement of internal diameters. The Digital Three point internal micrometer delivers outstanding accuracy, repeatability, and user-friendly operation, making it ideal for professionals in machining, inspection, and manufacturing industries.
Crafted with advanced Mitutoyo engineering, this instrument integrates modern digital technology with trusted mechanical precision. For both standard and high-accuracy applications, the Three point internal micrometer ensures superior measurement consistency and reliability.
Key Features & Design
- The Digital Three point internal micrometer features a wide measurement range of 6–300 mm, making it suitable for a variety of industrial applications.
- Equipped with three measuring anvils that expand symmetrically within the bore for true centering and stable readings — a hallmark of the Three point micrometer design.
- The Digital 3 point micrometer provides fast, clear readouts, reducing operator error and enhancing workflow efficiency.
- Constructed with hardened and precision-ground materials to ensure extended life and consistent accuracy, even in tough industrial environments.
- Ergonomically designed with a lightweight frame and large LCD display for ease of use and operator comfort.
- The 3 point micrometer and 3 pin micrometer designs offer flexibility for various bore types and surface finishes.
- Ensures smooth spindle movement with high sensitivity for repeatable and dependable results.
- The Digital 3 pin micrometer model includes convenient functions such as zero-setting, data hold, and data output for digital transfer.
- Available in both manual and Digital Three point micrometer versions to meet different professional requirements.
- A ratchet mechanism ensures uniform pressure during operation, reducing measurement variation.
- Built to Mitutoyo’s global standards, the Mitutoyo – Three point internal micrometer series provides long-term durability and precision across all models.
Applications and Advantages
The Mitutoyo 6-300mm Digital Three Point Internal Micrometer Series 468 is ideal for precise measurement of bores, tubes, and internal diameters where micrometer-level precision is required. The Three pin micrometer and Three point micrometer mechanisms deliver stable alignment and perfect contact with the measuring surface.
This 3 point internal micrometer is extensively used in automotive, aerospace, mechanical, and tool manufacturing industries to inspect bore wear, concentricity, and roundness. The Digital Three pin micrometer provides real-time measurement feedback, ensuring fast, accurate, and efficient quality control.
With the assurance of Mitutoyo’s engineering excellence, this Digital 3 point micrometer guarantees accuracy, dependability, and performance — the ultimate precision tool for professionals worldwide.

