Dial Bore Gauge

How to Use a Dial Bore Gauge?

A bore is a term used for any sort of hole, and a gauge is used to measure an object, collectively, it becomes bore gauge which is a tool used to measure the size of a particular hole. 

While the bore gauge is simple in concept, there are actually a number of different types of bore gauges used for a variety of applications. 

The different types of bore gauges include telescope bore gauge, small hole gauge, beam bore gauge and dial bore gauge. Among all the types of bore gauges, dial bore gauge is the most popular one. Let’s understand how to read a dial bore gauge. 

How to Read a Dial Bore Gauge?

Dial bore gauges are mostly used by machinists to measure the inner diameter of bores in motor engines. The speed and accuracy of a dial bore gauge can save a lot of time when used to measure cuts or hole sizes in home remodeling projects. Read a dial bore gauge in the same way you would read any indicator-type measuring device. Here are the steps to follow to read a dial bore gauge.

Step1 

Place the bore gauge in a micrometer locked to the same diameter of the hole being measured. 

Step2 

After that, rotate the indicator’s dial until the pointer aligns with the “0” marking on the dial face. 

Step3

Once this is done, insert the dial bore gauge in the bore, ensuring both anvils of the gauge touch the wall. Gently move the bore gauge back and forth while keeping the anvils along the same axis plane. The pointer will swing either clockwise or counter-clockwise as the anvils settle into place square to the bore. 

Step4

Once the tool is squared, watch the dial face. At some point, the pointer will start to reverse itself and head in the opposite direction. This could be on either side of the “0” marking of the indicator. Record the measurement where the pointer reverses itself and remove the bore gauge from the hole. 

Step5

Once you have removed the bore gauge from hole add or subtract the recorded value from the target number the indicator was calibrated to. If the bore gauge’s indicator was zeroed to 2 inches, and the pointer changed direction at the 0.007 inches marking on the dial face, the final measurement of the hole is 2.007 inches. Alternatively, if the pointer traveled counter-clockwise and changed 0.007 inches to the left of the “0” on the indicator, the final measurement of the hole is 1.993 inches. 

This is how you can read a dial bore gauge. Taking the correct reading is very important as one wrong reading can lead to incorrect calculations, thereby diverting you from the basic motive of using a bore gauge. A dial bore gauge will help you to measure the diameters of various objects and holes precisely and perfectly. So, if you are in an industry where you have to measure bore, a dial bore gauge is your best option available. 

You can visit our website moglix.com and shop for the best dial bore gauge online at the best price. Apart from borage gauges, you can also buy other measuring and precision tools like measuring tapes, level & protectors, dial calipers, micrometers, calipers and more. Now get the top brands at a very reasonable price.

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