MITUTOYO 511-921-20 2-point inside probe - Bore Gauge, 18-150mm, 0.01mm

Name: MITUTOYO 511-921-20 2-point inside probe - Bore Gauge, 18-150mm, 0.01mm
Brand: MITUTOYO
SKU: 03213279
Price: 677.95 EUR
Availability: PreOrder

Supplier number: MITUTOYO 511-921-20 | EAN 4946368855523

677.95 tax incl.

€560.29 excl. VAT (incl. all environmental contributions)

On order: delivered from 06/10/2026

Ordered before 20:00 - delivered as of 06/10/2026
Free shipping
Delivery by DHL

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Accurate bore measurements by Mitutoyo

Practical benefits

Broad versatile measuring range: You can measure diverse internal diameters easily across a wide 18 to 150 mm range.
Reduced thermal influence: The hollow grip structure reduces hand heat transfer by 50% to maintain high accuracy.
Durable carbide contact points: Carbide-tipped measuring contacts provide exceptional wear resistance and long-lasting precision in use.

In a nutshell

The right choise for

With the Mitutoyo 511-921-20 2-point bore gauge, you inspect internal diameters, cylinder bores, and housings with exceptional accuracy. Covering a versatile 18 to 150 mm range with a 0.01 mm graduation and 2 µm accuracy, it lets you detect geometry issues such as taper and out-of-roundness with total confidence. The hollow grip design reduces hand heat transfer by 50% to maintain stable, reliable readings during critical measurements. Supplied with the 2046AB analog dial indicator, interchangeable anvils, spacers, and durable carbide-tipped contact points, this complete set delivers dependable precision down to depths of 100 or 150 mm.

Product information FAQ

€677.95

tax incl.

Key features according to our expert

Min. measuring value: 18 mm
Max. measuring value: 150 mm
Scale: 0,01 mm
Accuracy: 2 µm
Max. measuring depth: 100 mm; 150 mm

Product description

Inner probe that automatically centres itself via a centring bridge
Carbide contact point ensures high durability and wear resistance
It reduces the influence of heat from the operator's hand by 50% By making the handle hollow-textured, high accuracy measurement is ensured

All Features

Min. measuring value: 18 mm
Max. measuring value: 150 mm
Scale: 0,01 mm
Accuracy: 2 µm
Max. measuring depth: 100 mm; 150 mm

Brand MITUTOYO
03213279
EAN 4946368855523
Supplier number MITUTOYO 511-921-20

Frequently asked questions about this product

Answered by specialists

What is the measuring range of this bore gauge set?: The set covers an inside measuring range from 18 to 150 mm for various bore and hole sizes.
What are the graduation and accuracy of this instrument?: It features a graduation of 0.01 mm and delivers an accuracy of 2 µm.
What measuring depths can be reached with this set?: Depending on the gauge body used, the maximum measuring depth is 100 mm or 150 mm.
Is a dial indicator included with the 511-921-20?: Yes, this complete set includes the analog Mitutoyo 2046AB dial indicator along with interchangeable anvils and spacers.
What is a 2-point bore gauge used for?: It accurately measures inside diameters and helps detect bore geometry issues such as taper and out-of-roundness.