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Measuring Tools-Order part number FT1341 for The identification Tool Kit. A seat angle gauge, thread pitch gauge and an I.D / O.D. caliper are necessary to make accurate measurements of commonly used connectors. 




How to measure threads

Use a thread pitch gauge to determine the number of threads per inch or the distance between threads in metric connections. Place the gauge on the threads until the fit is snug. Match the measurement to the charts.

Measure the thread diameter with an I.D./O.D. caliper as shown. Match the measurements to the charts.

How to Measure Sealing Surface Angles

Female connections are usually measured by inserting the gauge into the connection and placing it on the sealing surface. If the centrelines of the connection and gauge are parallel, the correct angle has been determined. Male flare type connectors are usually measured by placing the gauge on the sealing surface. If the centrelines of the connection and gauge are parallel, the correct angle has been determined.





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