Good for drilling deep or recessed holes. In metal case, Ø 1-10 mm in steps of 0.5 mm.
This multipurpose twist drill is a real problem solver. Through to the heat resistant HSS it can be used for a wide range of materials. The drill has a parabolic flute design which provides good swarf control. It can be used for many materials such as iron and non-ferrous metals, but also for wood and plastics. In particular the drills are excellent for riveting knife handles, which involves precise drilling through often all kinds of different materials.