EXACT-Bohrer Step drill TiAIN 4-20mm

with 4 cutting edges, INNOVATIVE 4-FACH SPIRAL SLOT, NEW TURBO TIP simplifies centering and spot drilling considerably, the 3-surface shank prevents slipping in the drill chuck, laser marking of hole diameters and speeds, the hole diameter can be read even when the tool is rotating, Application: For burr-free drilling and reaming of sheet metal, tubes and profiles up to 6 mm material thickness, deburring up to 1.5 mm material thickness, works without burrs and chatter marks and can be used in hand-held or pillar drilling machines, no center punching necessary