In a nutshell
The right choise for
With the Mitutoyo 209-301, you perform dependable internal measurements on bores, grooves, and cylindrical chambers. When standard calipers cannot reach tight features, this dial caliper gauge provides the accuracy required for in-process quality control during turning and milling. Its spring-loaded measuring arms maintain consistent contact force up to a depth of 35 mm, ensuring repeatable results every time. Featuring a clear dial with 0.005 mm graduations and an accuracy of 0.015 mm, it allows you to verify dimensions between 5 mm and 15 mm quickly and without error. With robust IP65 protection against dust and water jets, it withstands demanding workshop conditions.