What is the measuring range of this inside micrometer?

The Mitutoyo 145-186 inside micrometer has a measuring range of 25 mm to 50 mm.

What is the graduation of the scale?

The graduation mark is 0.01 mm for precise internal measurements.

What is the accuracy of this model?

The accuracy specification for this micrometer is ±0.006 mm.

What material are the measuring faces made of?

The caliper-style jaw measuring faces are carbide-tipped for enhanced wear resistance.

Does this inside micrometer have a spindle lock?

Yes, it features a locking clamp to hold the measuring spindle securely in place.

MITUTOYO 145-186 internal screw gauge 25-50 mm

Name: MITUTOYO 145-186 internal screw gauge 25-50 mm
Brand: MITUTOYO
SKU: 41010157
Price: 336.6 EUR
Availability: PreOrder

Supplier number: MITUTOYO 145-186 | EAN 4946368019888

336.60 tax incl.

€278.18 excl. VAT (incl. all environmental contributions)

On order: delivered from 16/10/2026

Ordered before 20:00 - delivered as of 16/10/2026
Free shipping
Delivery by DHL

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Accurate internal measurements with Mitutoyo

Practical benefits

Fine graduation for precision: The 0.01 mm graduation lets you inspect inside diameters between 25 and 50 mm reliably.
Durable carbide measuring faces: Wear-resistant carbide-tipped caliper jaws ensure you achieve consistent measuring results over repeated workshop use.
Positive spindle locking clamp: You can easily lock the spindle in place to preserve your measured values without accidental shifting.

In a nutshell

The right choise for

With the Mitutoyo 145-186 inside micrometer, you reliably inspect internal dimensions of bores, grooves, and cylindrical workpieces. Featuring a 25 to 50 mm measuring range and a fine 0.01 mm graduation, it gives you the control needed for quality inspection and precision machining tasks. The wear-resistant, carbide-tipped measuring faces ensure consistent accuracy of ±0.006 mm throughout demanding workshop use. Thanks to the integrated spindle locking clamp, you can lock the position securely to read your measurements without accidental shifting.

Product information FAQ

€336.60

tax incl.

Key features according to our expert

Micrometer type: Inside micrometer
Min. measuring value: 25 mm
Max. measuring value: 30 mm
Scale division: 0,01 mm mm

Product description:

The Digimatic Caliper Jaw Inside Micrometer offers you the following features:
- You can measure surfaces in carbide, micro-lap finish.
- An inside-length standard is needed to accurately set the micrometer.

All Features

Micrometer type: Inside micrometer
Min. measuring value: 25 mm
Max. measuring value: 30 mm
Scale division: 0,01 mm mm

Brand MITUTOYO
41010157
EAN 4946368019888
Supplier number MITUTOYO 145-186

Frequently asked questions about this product

Answered by specialists

What is the measuring range of this inside micrometer?: The Mitutoyo 145-186 inside micrometer has a measuring range of 25 mm to 50 mm.
What is the graduation of the scale?: The graduation mark is 0.01 mm for precise internal measurements.
What is the accuracy of this model?: The accuracy specification for this micrometer is ±0.006 mm.
What material are the measuring faces made of?: The caliper-style jaw measuring faces are carbide-tipped for enhanced wear resistance.
Does this inside micrometer have a spindle lock?: Yes, it features a locking clamp to hold the measuring spindle securely in place.