Updated: September 21, 2021

6 Best Dial Bore Gauges In The USA (Review And Buying Guide) October 2021

Written by Sumit Pandey

Dial Bore Gauge is also known as Dial Indicator Gauge, it is an instrument used to measure the internal diameter of the hole or bore. The Dial Bore Gauge is used by mechanics, machinists, engineers, technicians, and many other industry professionals.

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The appearance of the Dial Bore Gauge is similar to the dial indicator, but the bore gauge is designed to measure the internal diameter of the hole or bore. And the Dial Bore Gauge is the combination of the dial indicator and the bore gauge.

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Dial Bore Gauge can be used to measure the internal diameter of the hole or bore accurately.

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Dial Bore Gauge Body Parts

Dial Bore Gauge Body Parts

There are 5 parts of the Dial Bore Gauge, including the body, anvil, dial indicator, interchangeable anvil, and the gauge.

Dial Indicator

The Dial Indicator is used to display the measurement.

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Screw

The Screw is used to connect the Dial Bore Gauge with the workpiece.

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Grip

The Grip is used to hold the Dial Bore Gauge firmly.

 Measuring Head

The Measuring Head is part of the Dial Bore Gauge. It is used to measure the internal diameter of the hole or bore.

Anvil

The Anvil is used to apply pressure on the workpiece to make sure the reading is accurate.

Interchangeable Anvil

The Interchangeable Anvil is used to remove or insert the anvil into the bore gauge.

Moveable Anvil

The Moveable Anvil is used to adjust the reading on the Dial Bore Gauge.

Here’s The List Of The Best Dial Bore Gauges

Best Dial Bore GaugesRangeResolutionAccuracyBuy Now
Mitutoyo 511-932CAL Dial Bore Gauge Kit0.7" - 6.0"0.0001"±2µm (0.00008")View On Amazon
Fowler 52-646-500-0 X-Tender Dial Bore Gage Kit1.4" - 6.0"0.0001"View On Amazon
Mitutoyo-511-753 Dial Bore Gage2.0" - 6.0"0.0001"2µm (0.00008")View On Amazon
Accusize Industrial Tools Dial Bore Gauge Set2.0" - 6.0"0.0001"±0.0004"View On Amazon
Anytime Tools Dial Bore Gauge0.7" - 6.0"0.0005"0.0005" with Crisp Precision GraduationsView On Amazon
Fowler 54-646-401 Digital Dial Bore Gauge1.4" - 6"0.0005"View On Amazon

Mitutoyo 511-932CAL Dial Bore Gauge Kit

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Mitutoyo 511-932CAL Dial Bore Gauge Kit

The Mitutoyo 511-932CAL Dial Bore Gauge  kit is a set of three, calibrated bore gauges  with a dial indicator that measures from 0.7" to 6.0" total, with 0.0001" graduations, + or - 0.0008" accuracy, and 0.01" range per revolution, for measuring the inside diameter and shape of bores. 

The gauge body is made of forged, heat-treated steel with a nickel-plated finish for durability and rust resistance. The contact points are carbide-tipped for durability. 

A hollow-structured grip reduces heat from the operator for accurate measurements. The indicator has a jeweled bearing and a shockproof dial with a white face and contrasting hand units displayed in fractional inches.

Pros

  • Accuracy (±2µm / 0.00008″)
  • Resolution (0.0001″)
  • Measurement range (0.7″-6″)
  • (ISO/IEC) 17025

Cons

Fowler 52-646-500-0 X-Tender Dial Bore Gage Kit

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Fowler 52-646-500-0 X-Tender Dial Bore Gage Kit

The Fowler 52-646-500-0 X-Tender Dial Bore Gauge Kit is a self-centering dial bore gauge used to detect ovality and taper in cylindrical surfaces. The dial bore gauge is constructed with an aluminum head which is hard chromed for durability. 

The gauge is used with 2-inch contact extenders and has an adjustable tooling point for use with no-go or go gauges. This 646-500-0 X-tender Dial Bore Gauge includes a 1/2-inch shank that can be used with a variety of adaptors. 

The bore gauge comes with a fitted carrying case and a set of 15 anvils, 4 spacers, a 2-inch extension holder and a 0.0001-inch dial bore gauge.

Pros

  • It is operated by a 0.0001 inch pointer which makes it accurate and precise
  • It is very durable since it is constructed from aluminium which has been hard chromed for longevity
  • The product features an adjustable tooling point which enables you to use it for both no-go and go gauges
  • It comes with a carrying case for easy and safe transportation

Cons

  • Some users find this product too short and thus unsuitable for some jobs
  • Some users find this product to be fussy when setting it up although this can be easily solved by reading the manual carefully

Mitutoyo-511-753 Dial Bore Gage

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Mitutoyo-511-753 Dial Bore Gage

The Mitutoyo 511-753 Dial Bore Gage is a great tool for machinists who work with precision. This high quality tool is used to measure the internal diameter of holes in cylindrical objects. It is up to 6 inches in size. T

his tool helps in measuring the internal diameter of holes like engine blocks, cylinder heads, and connecting rods. It is very ideal for machinists, toolmakers, and also for production line workers.

The Mitutoyo 511-753 Dial Bore Gage shows an accuracy of 2μm (0.00008″). It features an extra-large dial with 0.0001″ (2µm) graduations. The anvils are made of stainless steel and can be adjusted in six different ways. 

The dial bore gauge is permanently fitted with 11 anvils (2″ sub anvil) and 4 spacers. This ensures that you will have a wide range of sizes to work on.

Pros

  • Great 0.0001″ resolution
  • The range is for most diameters of bore’s engine (2″ – 6″)
  • Fine accuracy (2µm=0.00008″)

Cons

  • Range is shorter than the above 2 models

Accusize Industrial Tools Dial Bore Gauge Set

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Accusize Industrial Tools Dial Bore Gauge Set

The Accusize Industrial Tools Dial Bore Gauge Set is a collection of tools that are used to measure the diameter of the hole. These tools are particularly useful for machinists who need to ensure that the hole they are making is of consistent size.

The Accusize Industrial Tools Dial Bore Gauge Set is a collection of tools that are used to measure the diameter of the hole. These tools are particularly useful for machinists who need to ensure that the hole they are making is of consistent size.

The accuracy is + / - 0.0003"

The set includes 0.0001" graduations and a chrome-plated handle which makes it easy to adjust while ensuring that it is protected from corrosion. The extensions are also included in the kit and together with the handle, they can be extended from 6" up to 24".

Pros

  • Includes extension holder and fitted case
  • Chrome plated handle. Easily adjustable
  • Insulated grip. Self-centering.
  • Range: 2-6'', Stem Length: 6''; 0.0001" Graduation, +/-0.0004" 

Cons

  • The accuracy is + / - 0.0003" (Low)

Anytime Tools Dial Bore Gauge

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Anytime Tools Dial Bore Gauge

The Anytime Tools Dial Bore Gauge is a precision machined tool to measure the interior bores of rotating and non-rotating parts. 

It is designed to measure the exact openings of a wide variety of parts from tiny to large diameters. It can measure bores from 0.7" to 6" in diameter and up to 10" deep. 

The Dial Bore Gauge has a carbide-tipped plunger that can be extended to protect it from damage during use. Plus, the measuring plunger is calibrated to read within 0.0005" of an inch.

The Dial Bore Gauge can be used in a variety of applications including machine shops, automotive, racing, aviation, as well as home use.

Pros

  • Range 0.7" to 6" diameter
  • Measures bore to 10" deep
  • Super Precision Deep Measuring Bore Gauge
  • Accuracy: 0.0005" with Crisp Precision Graduations
  • Carbide tip on measuring plunger
  • Dial indicator contains jeweled bearings 
  • ABS stor

Cons

Fowler 54-646-401-0 Electronic Dial Bore Gage

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Fowler 54-646-401-0 Electronic Dial Bore Gage

The Fowler 54-646-401-0 Electronic Dial Bore Gage is a precision electronic dial bore gage that is widely used in the machining and aerospace industries. 

It is able to measure within 0.0005 inches and has an accuracy of 0.0005 inches. The dial bore gauge is very reliable and is easy to use. 

The Fowler 54-646-401-0 Electronic Dial Bore Gage is not only used in the machining and aerospace industries but it is also used in the machine shops and the tool and die industries. 

The Fowler 54-646-401-0 Electronic Dial Bore Gage is very useful in measuring the internal diameter of the holes on the shafts and the sleeves of the cylinders.

The Fowler 54-646-401-0 Electronic Dial Bore Gage comes with a number of accessories such as the case, the batteries, the instruction manual and also an extension rod. 

The battery life of this tool is up to 20 hours when new and comes with a one-year warranty. This bore gauge is very simple to use and will provide you with accurate measurements of your parts.

Pros

  • Easy to use
  • Fast service
  • The large LCD display makes it easy to read measurements
  • The tool also provides users with a minimum hold feature which allows users to lock in the current reading on the display when the gage is moved within the cavity of the part
  • The gage is very durable and can withstand heavy use for years without getting damaged
  • The product comes with a 2-inch contact extension holder, a 9-inch measuring rod and a 2-inch contact extension
  • The cost of this gauge is very affordable when compared to other tools on the market

Cons

  • Always need

Things to Consider Buying A Dial Bore Gauge

1. Accuracy: 

Accuracy is one of the most important factors to consider when buying a dial bore gauge. It is the accuracy of the readings that gives the tool its worth. Ideally, the accuracy of readings should be within 0.0001 of an inch. Dial bore gauges are made for specific applications. If the application of using the gauge is not clear, it is advisable to consider another gauge.

2. Resolution: 

Resolution is the measurement of the smallest increment of the dial bore gauge. The smaller the increments are, the better the tool is. Ideally, the resolution should be 0.0001 of an inch.

3. Range: 

Range is the distance that the dial bore gauge allows for taking measurements. Ideally, the range of the measurement should be in the range of 0 to 3 inches.

4. Carbide Tipped Anvil: 

Carbide-tipped anvils are used in most dial bore gauges. They are made of carbide. The carbide is hard enough to withstand the abrasion that comes with use. Carbide is also very durable. They are used to take measurements in the hardest materials.

Frequently Ask Questions-Dial Bore Gauge

What is a dial bore gauge? 

Dial bore gauge is a measuring tool that is used to gauge the internal diameter of holes in cylindrical objects. They are made of magnetic base, upper body, anvil, anvil cap, and dial indicator. The magnetic base and upper body are connected together by a screw.

What is the difference between a dial bore gauge and a caliper? 

While both the tools are used to measure the internal diameter of holes, they both have their individual applications. Calipers are used for measuring the internal diameter of holes as well as the external diameters. They are used to measure the diameter of cylindrical objects such as pipes and tubes. The calipers can also be used to measure the thickness of flat objects.

What is the use of dial bore gauge? 

Dial bore gauges are used to measure the internal diameter of holes in cylindrical objects. It is used to gauge holes in the walls of containers and pipes.

What is the history of dial bore gauges? 

The first versions of the dial bore gauges were invented by Benjamin Huntsman, an Englishman. He was an industrialist and a mechanical engineer. He invented the first versions of the dial bore gauges to make measurements of the diameters of threads on screws and pins. Later versions of the dial bore gauges were used for measuring the diameters of holes in metal shafts.

What is the future of dial bore gauges? 

The future of the dial bore gauges is good. It is likely that the technology will be upgraded to a much better version. The new versions might have a digital display and a microprocessor. They might also have a wireless connection to a computer.

Does a dial bore gauge have a limit to how much it can measure? 

Yes, a dial bore gauge has a limit to how much it can measure. It can measure up to a diameter of 2 inches. It can measure a hole as deep as 2 inches.

How do you use a dial bore gauge? 

To use a dial bore gauge, you have to place an object on a flat surface. You then have to take a reading from the dial bore gauge. You then have to adjust the dial bore gauge to the desired value. You then have to align the dial bore gauge with the object. You then have to take a reading.

How to take a reading from a dial bore gauge? 

To take a reading from a dial bore gauge, you have to adjust it to zero. You then have to place the gauge over the object. You then have to align the dial bore gauge to the object. You then have to take a reading from the dial bore gauge.

How to make an object stand still for measurement? 

To make an object standstill for measurement, you have to put it on a flat surface. You then have to use a clamp to keep the object still. You can also use a clamp to keep the object still on a surface.

Conclusion

We hope that you have found this article informative. It is very important for you to consider the accuracy, resolution, range, and carbide-tipped anvil when buying a dial bore gauge. You should also consider the question and answers section when buying a dial bore gauge.

Written by Sumit Pandey

My name is Sumit Kumar Pandey and I’m a content writer and blogger who specializes in writing about technology, web design, and online marketing.

After working as a research scholar in the engineering field for many years, I’m now a full-time content writer, helping people get more exposure and generate more leads for their businesses.

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