WTI Fasteners Databooks
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Gauges

Wire Thread Insert gauges are designed to check the accuracy of the internal thread of a tapped hole

Checking the accuracy of the internal thread of a tapped hole prior to installation of the Wire Thread Insert.

 

They are usually supplied as double ended gauges (Go and No-GO gauge on a gauge handle).

If the tapped hole gauges correctly, a correctly installed and seated wire insert will also gauge correctly.

It is possible to gauge the installed insert using a standard tapped hole gauge.