Stainless steel tapping easily broken wire attack, how to do?

Stainless steel tapping easily broken wire attack, how to do?

Stainless steel material is sticky, punching is not good, punching and tapping are not good.

In tapping, to tap with people's daily consumption of vinegar, tapping the silk will be quite a lot. In addition, if the tap is not too sharp, do not use it reluctantly, so it is easy to break tap.

In tapping stainless steel material to the workpiece, the first will tap after large angle grinding; bottom diameter were bigger;