Features:
- Made of stainless steel, rust and wear resistant, serviceable.
- US thread, also known as UN thread, has a profile angle of 60 and a flattening height of H / 8, which is different from thread profile (profile angle of 55 and flattening height of H / 6).
- It is useful to check the tool angle when cutting threads on a metal lathe.
- It is 55 degree & 60 degree thread / screw pitch gauge gage with lock up device.
- Check the angle on the thread cutting tool on the V groove of the gauge.
- Metric thread is also known as international metric thread. Metric thread has ordinary thread (tooth angle 60 degree); trapezoidal thread (profile angle 30 degree); serrated thread (profile angle 33 degree); square thread, etc. (This product is suitable for 60 degree ordinary thread).
- The screw gauge thread is an inch thread with a profile angle of 55 degrees and a flattening height of H / 6. G represents cylindrical thread.
.