?DESIGNED WITH SPIRAL FLUTES: Taps are designed with spiral flutes and the chip clearing process would be better.
?TIME AND EFFORT SAVING: Drilling and tapping at the same time, save you time and effort.
?CONVENIENT TO CHOOSE: Their specifications are marked clearly on the surface, convenient to choose.
?2 DIFFERENT STANDARDS: There are total 12pcs of taps in 2 different standards that you can use for tapping various threads.
?PERFORMANCE: High hardness, rustproof, solid and durable.