1. High-quality material, wear-resistant and rust-proof, suitable for bench drills, tapping machines, electric drills and other machines, and can also be used by hand
2. Thread standard, cutting resistance is smaller than ordinary taps, it is the choice of through-hole processing, standard pitch, no bad teeth, no burrs
3. Four-square universal chuck, using manual tapping twister or tapping machine, convenient and quick
4. Easy to use. Slotting in the front section, chip removal on the upper phase, through holes and blind holes are available, and can be used for copper or steel.