Products

Inside Measurement

The inside micrometers and bore gages from Mitutoyo allow you to determine inside measurements with greater accuracy and less effort. With a full range of digital and mechanical models available, we offer the ideal solution for practically any application, including exceptionally small bores, long workpieces and blind holes.

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Benefits of Mitutoyo Inside Measurement Solutions

We carefully design each inside measurement solution in our portfolio to deliver better accuracy, user-friendliness and durability. Our easy-to-read display units and flexible measuring ranges mean that no matter how complex your workpiece may be, taking reliable interior measurements couldn’t be easier.
Heightened Accuracy

Heightened Accuracy

Our inside micrometers offer longer plunger strokes and abrasion-resistant contact tips, leading to 50% greater accuracy than competing equipment.
Greater Impact Resistance

Greater Impact Resistance

Titanium-coated measuring pins improve durability and impact resistance, while carbide contact tips ensure that measurements almost never scratch workpieces.
Flexible Measurement Capabilities

Flexible Measurement Capabilities

With two-point, three-point and standard single-rod internal micrometers available, as well as a full range of interchangeable measurement heads, we have the solution to fit your workpiece requirements.
Simple Operation

Simple Operation

Our bore gages automatically self-center via a built-in centering bridge, while our rotatable display units enable easier, more accurate readings.
Effective Measurement for Complex Workpieces

Effective Measurement for Complex Workpieces

With measurement ranges spanning from 2,000 mm to 2 mm — including difficult-to-access locations like blind holes — our solutions are highly effective and adaptive.

A Full Range of Inside Measurement Solutions

Select from our digimatic and mechanical inside measurement solutions, then identify the equipment best suited to your application and your workpieces.
Tubular Inside Micrometers

Tubular Inside Micrometers

Tubular inside micrometers are available in many different sizes and types to measure a wide range of inner dimensions
2 Contact Bore Gage

2 Contact Bore Gage

Two-point contact bore gages come in many types and sizes to measure a range of blind holes and diameters
3 Contact Holtest and Borematic

3 Contact Holtest and Borematic

Three-point contact bore gages are self-centering and self-aligning for easy, highly accurate measurements
Inside Micrometers

Inside Micrometers

Mitutoyo caliper-type inside micrometers measure inside diameters and hard-to-reach areas such as grooves with high accuracy
Accessories

Accessories

Inside measurement accessories help calibrate and zero check bore gages, tubular inside micrometers and other inside dimensional measuring instruments
Small Hole Gage Set

Small Hole Gage Set

Extra long half-ball small hole gage set
Telescoping gage set

Telescoping gage set

Mitutoyo caliper-type inside micrometers measure inside diameters and hard-to-reach areas such as grooves with high accuracyMitutoyo micrometer accessories are designed to inspect micrometer and gage block measuring faces for flatness & parallelism with high accuracy

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Known for service-excellence, we don’t just supply the tools, we assist you in gaining proficiency with our products through our dedicated training program.

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