A Plain Plug Gauge is a tool used to check measure through holes and measure the inner pitch of manufactured hole. The value of the workpiece is accurate and meets the specified standard or not. Material is made of hardened steel. It is a straight cylindrical bar. Able to measure work in both is GO and NOGO

Knowledge Plain Plug Gauge tips will consist of topics. Selection of plug gauge sizes, precautions after use, JIS standards stipulated and the name of the plug gauge parts. Guarantee that friends can use it to make a decision before making a purchase.

Reversible Plain Plug Gauges for checking hole sizes and calibrating measuring equipment available tool steel, chrome, carbide.

Tolerances range from class ZZ to Class XX, Class XXX

Reversible plain plug gauges also known as plugs or pin gages

keep a wide selection of plain plug gauges in stock. All plain plug gages are manufactured to ASME/ANSI B47.1 AGD standard and ASME/ANSI B89.1.5.

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A plain plug gauge is a precision measuring tool used to determine the diameter of a hole or the size of an aperture. It consists of a cylindrical piece of metal with a precisely machined shape and size that is designed to fit snugly into a hole or aperture of a corresponding size.

The plain plug gauge is typically made of high-quality tool steel or carbide and is designed to be extremely durable and wear-resistant. It is commonly used in industries such as automotive, aerospace, and manufacturing, where precise measurements are critical to ensure the proper functioning of complex machinery and equipment.

The design of a plain plug gauge is relatively simple. It consists of a cylindrical body with a flat or rounded end, known as the “go” end, which is precisely machined to the required diameter. The other end of the gauge is usually tapered and is called the “not-go” end. This end is slightly smaller than the “go” end and is used to check that the hole or aperture is not too small.

The process of using a plain plug gauge is straightforward. The operator places the “go” end of the gauge into the hole or aperture being measured. If the gauge fits snugly into the hole, then the hole is considered to be within tolerance, and the measurement is recorded as the gauge’s diameter. If the gauge does not fit, the operator must use a larger gauge until they find one that does fit, or they must take corrective action to enlarge the hole.

The accuracy of a plain plug gauge depends on several factors, including the quality of the gauge’s manufacturing, the skill of the operator, and the temperature of the gauge and the object being measured. To ensure the accuracy of the measurements, it is essential to handle the gauge carefully and to calibrate it regularly against a master gauge or a standard calibration block.

In conclusion, plain plug gauges are essential tools for measuring the diameter of holes and apertures in industries where precision is critical. They are durable, wear-resistant, and designed to be highly accurate when used correctly. By following proper procedures and calibrating the gauge regularly, operators can ensure accurate measurements and maintain high-quality standards in their work.