Pin gauges are cylindrical pin shaped plugs sized to a high precision. The main function of a pin gauge is to inspect the inner diameters of your workpiece. They are commonly used similarly to a Go and No-Go gauge to qualify whether a hole is within a certain specification. You can also use it to test for geometric deviations in measurements. Pin gauges are useful for checking the straightness of a deep hole.
They can be made of many types of materials: Steel, Carbide, Ceramic, Zirconia, Hard Metal Alloy. LFC is the authorized distributor of Eisen Pin Gauges. Eisen pin gauges are made of steel, ceramic (Zirconia) or Tungsten carbine.
Pin gauge can be sold as a set or individually. Pin gauges in a set come in assorted sizes with small increments. These increments can be in 0.01 mm or 0.001 mm depending on your requirements. These small increments are minute as pin gauge are typically used in smaller holes applications, which requires high precision and accuracy. Every pin is marked with its exact size so that the user can easily identify these pins.
If you own a complete set of pin gauge, you can start by inserting the pin gauge with the smallest diameter into the workpiece hole. You can then insert the pin gauge in increasing order of size until you find the pin gauge that fits nicely into the workpiece bore. You should not push the pin gauge into the bore by force. Ideally, the minimum or “Go” pin is use for the lower limit of the bore. It should fit nicely with no force. The maximum or “No Go” pin gauge is for the upper limit. It will not fit even if a small force is applied to push it in.
Besides inspection of small holes, pin gauges can be used in many other ways, RTP GAUGE will show you below in the pictres:
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Distance between holes |
Calibrating micrometers |
Width of a groove |
Acceptance judgement |
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Dovetail |
Inspection of engine parts |
Overpin diameter of gear |
Deflection of gear |
With strong R&D strength and technology, RTP GAUGE keeps trying to provide gauges with best quality and reliability. Because we are the pin gauge manufacturer in China, we can guarantee the low wholesale price of pin gauge we supply to the worldwide. Fast payment methods and on-time delivery can be promised. And we have at lease one year after-sale waranty for every customer. If you have any other questions abhout what is pin gauge used for, please feel free to contact us and get better solution for your projects.
Test instructions for needle gauge
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Features of Pin Gauge: Standard pin gauge class 1. The nominal dimensions are displayed on the plastic case. Applications of Pin Gauge: Measuring the inner diameter of holes.
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What is pin gauge 