Stepped sheet metal drill bit, spiral 5 - 31 mm

Sheet metal taper drill bit, precision Design: HSS, according to works standard, deep ground CBN, with helical groove. The 3-sided shank prevents the tool from slipping in the drill chuck.With cross grinding and laser marking of bore diameter and speed.The bore diameter can also be read on a rotating tool.Application: for burr-free drilling and boring of sheet metal, pipes and profiles.Work without burrs and notches, can be used on handheld and column drills.They do not require scoring.For steel sheets 0.1–2.0 mm stainless steel sheets (V2A) 0.1–1.0 mm plastics up to 10.0 mm non-ferrous metals 0.1–5.0 mm Note: in order to extend the tool life, we recommend the use of drilling paste.