Description
- Not only expanding holes, but also deburring, chamfering and cutting.Applied to impact drivers, drill press, and power drills/drivers.
- Two-fluted design provides faster, smoother drilling, Provided with small pressure and the sets can cut through wood, sheet metal, steel and other surfaces.
- The step drill bit is made of upgraded high speed steel.Coated by titanium, improve the wear and corrosion resistance.
- It is an indispensable tool for carrying out precision work with good control of the hole diameter.Perfect for DIY lover!
- Step Cone Drill Bits design for precision drilling different size holes from 4mm up to 32mm in diameter,optimum speed and accuracy.
