Descripción
- ✿ HIGH SPEED STEEL: Made from high quality HSS steel.
- ✿ SMOOTHER CUTTING: 2 fluted edges for faster, smoother cutting.
- ✿ The ladder of its unique structure, a bit can open a variety of specifications of aperture.
- ✿ Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken.
- ✿The usage of tools: drill, bench drill. Work while water cooling, can effectively extend the service life of drill bit,
Shuang You Bit Set Hex Titanium Coated Spiral Grooved Cone Drill Hole Cutter HSS Steel 4-20mm