Description:

These taps are made from high speed steel and surface finished by nitriding for high hardness and rust resistance. Self-centering design: do not need additional center drilling or center punching,drilling and tapping at the same time, save you time and effort. They are taps with drilling function, used to drill a hole and cut new threads at the same time, you will have a smooth tapping experience with them. Taps are designed with spiral flutes and the chip clearing process would be better. These taps are used on a machine to do the tapping, generally more accurate because human error is eliminated.