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Thread ABC
Product novelty

DUO-Thread gauge- inch-metric

It´s an excellent, reliable and accurate tool for sizing bolts,

screws, nuts (USS, SAE, and Metric) and twist drills.


Get the size bolt diameter by pushing bolt through sizing holes

Gauges hex nuts and washers (USS, SAE)


Gauges metric hex nuts and washers by holding under metric holes

Measure US and Metric thread pitch.


Special notch gauges flat headed metal and wood screws

Ruler marked with inches and millimeters for worldwide use


Total dimensions of the gauge : 21 cm x 8,5 cm


Sturdy and Lightweight Plastic


Now stock available ! Please ask for prices

strong and accepted. . .

We would like to thank all our faithful and satisfied customers!

And in advance to all our future customers!


PFITZER Verbindungstechnik GmbH:


Your Focus in Regard to  Inch-Sized and Special Parts

Our philosophy:



Besides from high quality products it is necessary to produce an optimum of service.

Some things never change:




Capability to react


Knowing what is important