HIGH HARDNESS & RUST RESISTANCE—These taps are made from hardened high-speed steel vs carbon steel for longer life.Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc.
DIFFERENT SIZES—There are total 6 pieces of taps in different sizes from M3 to M10 that you can use for tapping various threads
SPIRAL FLUTE—Taps are designed with spiral flutes and the chip clearing process would be better
FUNCTION—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
HSS CENTER PUNCH — 5 Inch Spring Automatic Center Punch Tool with The Rubber Cap Can Be Increased or Decreased Striking Force, It’s More Easy to Use.