Screw Pitch Gauges is a device used to measure the size of the workpiece thread held in the measuring tool,But the thread gauge comb will check only the distance between the threads and the number of threads per 1 inch. So that the screws are evenly screwed into the threaded holes. Often use different thread systems, such as inch threads and millimetre threads. Coarse thread vs. fine thread Because if used incorrectly, it will cause the screws to be screwed, causing the male and female threads to be damaged.

Thread type of Screw Pitch Gauges

1.US standard thread which is suitable for holding the workpiece or various assembly work.

2.British standard thread which features and uses the same as the USA.

HOW TO USE Screw Pitch Gauges

Bring the Screw Pitch Gauges down into the pitch groove of the threaded bolt. Which number  can fit into the grooves? It shows that the bolt thread is that number.

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