Performance Tool Thread Pitch Gauges

Performance Tool thread pitch gauges determine thread per inch/cm on screws， bolts， or in tapped holes. With 52 blades， these tools enable you to get your threads matched perfectly. Stop hunting for the correct one; use Performance Tool thread pitch gauge sets for accuracy.

Features:

* Combination thread pitch gauge， includes 28 standard and 24 metric thread gauges
* Both SAE and Metric conveniently divided in one metal holder
* Quality construction for a long life and accurate readings
* Common thread angle， 60 degree
* SAE gauge: 4 to 62 threads per inch
* Metric gauge: 0.25 to 6.0 threads per cm