Tip wire tapping will play its unique smooth cutting performance quickly cut out for you the most senior of the threaded tip of the wire-tapping thread is mainly used for a variety of jobs to be cut through the porous material, wire tapping tip has the same general hand tapping The straight groove, but in its front end with a spiral groove cut portion specially designed so as to push the rotary cutting discharged out below the hole, due to the rotary tip wire tapping discharging chips having the function, in addition to cleaning the trench can be maintained to reduce the resistance of the outer cutting, and can avoid the congestion caused by the cutting wire tapping damages, so the tip may be tapping than hand tapping faster to high-precision cutting of threads.