1. No chips are generated during tapping, because no chips are suitable for threading of blind holes and the
processing time of chips can be omitted.
2. There is no chip groove, and the wire tapping area is large, so the endurance, the torsion strength is large,
the wire tapping life is long, and there is no interference of cutting, so it is not easy to be broken.
3. The working surface of the internal thread is beautiful and smooth, and the material fiber is continuously
cut without cutting. The thread strength is increased by 30% and the stability is stable.
4. The plastic thread forming surface of the female thread has a good thickness and the effective deviation is
small. 5. The plastic processing method is used as the processing tool for the female thread, and is suitable
for materials with good ductility, such as aluminum, red copper, zinc, brass, low carbon steel, stainless steel
and non-ferrous metal tapping operations.


HRT is a grooveless wire tapping for steel
TIN-NRT is a titanium treated non-round wire tap
BT-NRT is a non-ferroalloy trenchless tap
B-HRT is a grooveless wire tapping for ferroalloy
NRT is a non-round wire tap for steel
SPT-NRT is a non-round wire tapping for tube teeth