METRIC SCREW AND BOLT THREAD IDENTIFIER / CHECKER W/ THREADED HOLES MADE IN USA

Description

This is a great tool to help eliminate the confusion often associated with metric threads. It is made from tough 3.5mm thick polystyrene and measures 3-1/2" x 5".
There are through holes on left to measure the outside diameter of the screw, and once you know the diameter you move over to the right and use the
threaded
holes to figure out the pitch. On the far right you will find a useful scale to check lengths up to 60mm.
The following is a list of sizes it will help you with:  M2x0.4, M2x0.25, M2.5x4.5, M2x0.35, M3x0.5, M3x0.35, M4x0.7, M4x0.5, M5x0.8, M5x0.5, M6x1.0, M6x0.75, M8x1.25, M8x1.0, M10x1.5, M10x1.25, M10x1.0, M12x1.75, M12x1.5, M12x1.25
We don't see how it could be easier to identify a thread!
MADE IN THE USA!
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